Answers by Khai Vu
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Answers by Khai Vu

Answers by Khai Vu
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A box contains 4 red pens,5 black pens, and 3 blue pens. If Robert selects one pen, and then another pen without putting the first pen back in the box, what is the probability that both pens will be black?
answered Nov 30, 2023
12 votes
85.8k views
Given the triangle as marked below, find the measure of each angle.
answered Sep 12, 2023
2 votes
216k views
What is the exact value of cos (67.5°)? OA. OB. OC. -√2+√2 √2+√2 2 - √2-√2 2 OD. √2+ √2 4
answered Mar 16, 2023
5 votes
217k views
PLZ HELP I have no idea what the answer is
answered Mar 16, 2023
11 votes
226k views
Can someone please help me
answered Dec 14, 2022
6 votes
87.7k views
Name the 4 main biomes in Africa. Help
answered Dec 1, 2022
12 votes
188k views
1. How did Communists gain control of China?|
answered Jul 16, 2022
11 votes
16.8k views
Following the law is:______. a. unimportant as a standard of business behavior b. the maximum standard of behavior we expect from business c. an unrealistic expectation for business behavior d. the minimum
answered May 12, 2022
5 votes
39.9k views
How would i say these in french? 1. my family does a lot of chores 2. my father cleans in the morning 3. my mother cooks in the evening 4. I clean my room 5. my sister helps my mother cook 6.we do chores
answered May 8, 2022
4 votes
182k views
How do I complete this sentence using indirect objects pronouns and present tense verbs ¿tú / ir a comprar / un regalo / a mí?
answered Apr 26, 2022
5 votes
8.7k views
An example of a greenhouse gas is A. Oxygen B. Nitrogen C. Carbon dioxide D. Clouds E. Bad breathe
answered Mar 21, 2022
4 votes
136k views
The Mystery of Loch Ness By Kayden Mitchell Of all the mysteries in the world, none has been as popular as that of the Loch Ness Monster. Perhaps the biggest mystery is whether it is convincing evidence
answered Feb 5, 2022
8 votes
116k views
Why is early childhood education important?​
answered Nov 22, 2021
4 votes
217k views
Which term describes a substance that increases the concentration of hydroxide (OH-) ions in solution? *
answered Oct 18, 2021
5 votes
94.6k views
What did representatives at the first continental congress agree to do
answered Oct 9, 2021
7 votes
182k views
3 sigma (4x(1/2)^t -1) What is the value of t= 1 A. 7/2 B.7 C. 7/8 D. 8
answered Sep 1, 2021
6 votes
200k views
A game advertises, EVERYONE IS A WINNER! It costs $4 to play. You get to choose a card from a standard deck of 52 playing cards. If you choose a red card, you win $5. If you choose a black card, you get
answered Aug 2, 2021
5 votes
78.0k views
I need help with this and explain how to do it please!! 6x - 4z
answered Jul 12, 2021
4 votes
34.5k views
Helpppppp meeeee pleaseeeee​
answered Apr 11, 2021
1 vote
71.9k views
Which part of the brain helps maintain balance? a. cerebrum. b. brain stem. C. spinal cord. d. cerebellum.
answered Mar 15, 2021
3 votes
145k views
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