Factor completely, or state that the polynomial is prime.5x2 - 40
A. 5(x + 8)(x - 8)
B. 5(x - 8)2
C. prime
D. 5(x2 - 8)
Answer: D
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Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by 
where x is the number of days since the start of the job. Find the expenditure if the job takes 8 days.
A. $22 B. $2200 C. $11,200 D. $112
Evaluate the line integral along the curve C.
ds , C is the path from (0, 0, 0) to (1, 1, 1) given by:C1: r(t) = ti, 0 ? t ? 1C2: r(t) = i + tj, 0 ? t ? 1C3: r(t) = i + j + tk, 0 ? t ? 1
A. 45 + 3e2 + ln 2 B. 17 + e2 C. 23 + e2 D. 43 + 2e2 + ln 2
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.What percent of 2032 trees is 24 trees?
A. 1.2% B. 11.8% C. 8466.7% D. 21.8%
Provide an appropriate response.Explain why someone would want to solve 
for b.
What will be an ideal response?