Factor completely. If prime, so indicate.18x2 - 78x - 60
A. (3x + 2)(6x - 30)
B. 6(3x + 2)(x - 5)
C. (18x + 12)(x - 5)
D. 6(3x - 2)(x + 5)
Answer: B
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Use the four-step method in problem solving to solve the problem.A car rents for $200 per week plus $0.25 per mile. Find the rental cost for a three-week trip of 900 miles.
A. $425.00 B. $825.00 C. $225.00 D. $1275.00
Find the perimeter of the figure.
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Evaluate.92 - 2 ? 7
A. 67 B. 343 C. 553 D. 441
Solve the problem.The financial department of a company that produces digital cameras arrived at the following price-demand function and the corresponding revenue function:p(x) = 95.4 - 6xprice-demandR(x) = x ? p(x) = x(95.4 - 6x)revenue functionThe function p(x) is the wholesale price per camera at which x million cameras can be sold and R(x) is the corresponding revenue (in million dollars). Both functions have domain 1 ? x ? 15. They also found the cost function to be C(x) = 150 + 15.1x (in million dollars) for manufacturing and selling x cameras. Find the profit function and determine the approximate number of cameras, rounded to the nearest hundredths, that should be sold for maximum profit.
What will be an ideal response?