Solve the equation for the indicated variable.S = 2?rh + 2?r2
for h
A. h = 
- 1
B. h = 2?(S - r)
C. h = 
D. h = S - r
Answer: C
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Write the equation of the line in slope-intercept form given the slope and the coordinates of the y-intercept.m = 2; (0, 8)
A. y = 2x + 8 B. y = -2x + 8 C. y = -2x - 8 D. y = 2x - 8
Solve.In 1998, the population of Country C was 34 million, and the exponential growth rate was 1% per year. Find the exponential growth function.
A. P(t) = 34e0.01t, where P(t) is in millions and t is the number of years after 1998. B. P(t) = 340.01t , where P(t) is in millions and t is the number of years after 1998. C. P(t) = 34e1t, where P(t) is in millions and t is the number of years after 1998. D. P(t) = 34e0.01, where P(t) is in millions and t is the number of years after 1998.
The U.S. population is approximated by the function 
, where P(t) is measured in millions of people and t is measured in 30-year intervals, with t = 0 corresponding to 1930. What is the expected population of the United States in 2020 (t = 3)? Round your answer to one decimal place.
?
__________ million
Fill in the blank(s) with the appropriate word(s).
Graph.y = -(x + 4)2 + 5
A. 
B. 
C. 
D. 