Write the quotients with positive exponents.- 
A. - 
B. - 
C. - 
D. - 
Answer: B
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Find the center-radius form of the circle described or graphed.a circle having a diameter with endpoints (4, -6) and (-6, -5)
A. 
2 + 
2 = 101
B. 
2 + 
2 = 125
C. 
2 + 
2 = 
D. 
2 + 
2 = 5
Solve.
+ 
= 
A. - 
, 28
B. - 
C. - 
, 
D. 
Solve the system by the elimination method.x + y = -1x + y = -7
A. {(0, -8)} B. ? C. {(0, 0)} D. {(-1, -7)}
Use the REGRESSION feature on a graphing calculator.A particular bacterium is found to have a doubling time of 20 minutes. If a laboratory culture begins with a population of 300 of this bacteria and there is no change in the growth rate, how many bacteria will be present in 55 minutes? Use six decimal places in the interim calculation for the growth rate.
Fill in the blank(s) with the appropriate word(s).