Provide an appropriate response.In a state with a population of 4,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $2.4 × 109
B. $24 × 1011
C. $24 × 1010
D. $2.4 × 1010
Answer: D
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Find the domain and graph the function.F(t) = 
A. D: (-?, -5) ? (-5, ?)
B. D: (-?, ?)
C. D: (-?, 0) ? (0, ?)
D. D: (-?, -5) ? (-5>, ?)
Solve the problem.A bicycle wheel makes 2 revolutions. Determine how far the bicycle travels in inches if the diameter of the wheel is 15 in. 
Round to the nearest tenth.
A. 188.4 in. B. 30 in. C. 94.2 in. D. 47.1 in.
Use the line graph to solve the problem.What was the percent of increase in hours needed to prepare from Test 1 to Test 2?
A. 33% B. 100% C. 150% D. 50%
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined