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Answers by Zapata

Answers by Zapata
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A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years the sum of all their ages will be 100 years. How old are the two siblings at present?
answered May 5, 2020
1 vote
9.5k views
The idea that younger rock layers are deposited on top of older rock layers in an undisturbed section of sedimentary rock can best be explained by which of Steno's principles?
answered Jan 9, 2020
3 votes
119k views
A large suburb currently uses square signs to notify drivers of nearby bike lanes. In order to increase the visibility of these signs, the mayor wants to increase their dimensions. The new signs will be
answered Sep 25, 2019
7 votes
23.5k views
American- trained Cuban exiles tried to invade Cuba at the ______. Bay of Pigs Gulf of Tonkin thirty-eighth parallel Pusan Perimeter
answered Jul 9, 2019
6 votes
12.0k views
During which geologic era was there widespread laying down of sediments which later formed coal deposits? Mesozoic Cenozoic Paleozoic Cambrian
answered May 29, 2019
4 votes
51.8k views
What is the trignometric ration for cos C? ____/____
answered Feb 3, 2019
6 votes
58.7k views
"The Monk's Tale" Which statement best describes the two themes developed in the excerpt?
answered Dec 12, 2018
6 votes
52.7k views
Which of the following elements is a metalloid
answered Nov 17, 2018
3 votes
1.7k views
What relationship do you find between the pH number and the power of 10 used to express the [H+]? pH = exponent of concentration values pH = reciprocal of the H+ concentration pH = the negative of the
answered Oct 13, 2018
5 votes
229k views
Kelly wants to replace the floor in her bathroom. The area of the bathroom floor is 48 square feet. If the marble tile she wants costs $4.50 per square foot, how much money will Kelly spend to replace
answered Feb 17, 2018
4 votes
175k views
Whom does the following describe? says he cannot love any woman but his mother Pickering Doolittle Freddy Higgins
answered Jan 18, 2018
3 votes
223k views
The Centennial Exhibition was meant to show off America as an industrial power to the rest of the world. a. True b. False
answered Aug 18, 2017
0 votes
230k views
Idea that states could ignore federal law was called
answered May 8, 2017
5 votes
157k views
Ava is 23 cm taller than Olivia, and Olive is half the height of Lucas. If Lucas is1.78 m tall, how tall are Ava and Olive? Express their heights in centimeters.
answered Sep 27, 2016
4 votes
64.9k views
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