Solve the equation.10r + 7 = 57
A. 5
B. 44
C. 1
D. 40
Answer: A
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Provide an appropriate response.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, multiplying both sides by x, differentiating again, and replacing x by 
.
A. 
B. 
C. 
D. 
The body surface area B of an 80-kilogram man depends on his height h measured in meters. The value of the power in this function is 
. If the body surface area is multiplied by 1.03, how is the height affected? Round your answer to two decimal places if necessary.
?
A. Height is multiplied by 1.01. B. Height is multiplied by 1.5. C. Height is multiplied by 1.23. D. Height is multiplied by 1.06.
Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = -18t + 9, s(0) = 13
A. s = 9t2 + 9t - 13 B. s = - 18t2 + 9t + 13 C. s = - 9t2 + 9t + 13 D. s = - 9t2 + 9t - 13
Write the expression in expanded form.log 
A. 6 log x + log z - 3 log y B. 6 log x ? log z - 3 log y C. log(6x + z) - 3 log y D. (log x)6 + log z - (log y)3