Answers by Rex Butler
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Answers by Rex Butler

Answers by Rex Butler
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Which form of birth control could people use without altering hormonal systems or blocking sperm from fertilizing an egg? A. fertility awareness B. birth control pills C. condom
answered Nov 20, 2018
4 votes
204k views
Regular price is $31.99 and sale price $22.39 what is the percent when you decrease
answered Jul 17, 2018
3 votes
190k views
Please Help_Biology When a human embryo is developing, the embryo produces a special type of hemoglobin not found in infant, child, or adult blood. Why does an embryo produce a different type of hemoglobin
answered Mar 30, 2018
1 vote
142k views
A seamstress needs to cut 15-inch pieces of ribbon from a roll of ribbon that is 9 feet in length. What is the greatest number of 15-inch pieces the seamstress can cut from 5 of these rolls of ribbon?
answered Mar 11, 2018
3 votes
78.6k views
Which of this expressions is not a polynomial A. -x^2-3x-5 B. 21+x+2x^2+11x^3 C. 2/3x^7+5/7x^2 D. -2x^1/2+12x+5
answered Mar 4, 2018
4 votes
91.5k views
the ratio of girls to boys in a tennis club is 4:5 if there are 144 children in the club how many girls are there
answered Jan 24, 2018
5 votes
106k views
What are the steps in an experiment called
answered Dec 18, 2017
2 votes
102k views
PLEASE HELP!!!!!!! ASAAAAP Select the mixed number or fraction that is equivalent to 32.029. A.32 29 100 B.32 29 1,000 C.32 29 10 D.329 1,000
answered Nov 14, 2017
6 votes
152k views
Which country was the first to defeat napoleon
answered Jul 18, 2017
4 votes
189k views
Use signed numbers to solve. A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet. What was the net gain or loss in altitude? A.lost 2450 ft B.lost 850 ft C.gained 850 ft D.gained
answered Jun 23, 2017
5 votes
77.8k views
Which is generated by movements of tectonic plates? A. seismic waves B. earth's magnetic field C. ocean currents D. volcanoes
answered Feb 23, 2017
1 vote
80.6k views
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