Solve the problem.A painter leans a ladder against one wall of a house. The ladder is 21 ft long. The base of the ladder is 15 ft from the house. How high is the wall? Round approximations to the nearest tenth. 
15 ft
A. 14.7 ft
B. 108 ft
C. 7.4 ft
D. 18 ft
Answer: A
Mathematics
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Solve the problem.The following table shows the price per ounce for various sizes of a particular powdered laundry detergent. 
Determine whether a correlation exists between the package capacity and the price per ounce at 
A. No B. Yes
Mathematics
What will be an ideal response?
Mathematics
Graph the function. State whether it is increasing, decreasing, or constant..h(x) = -3x - 4
A. decreasing
B. increasing
C. increasing
D. decreasing
Mathematics
Write the first four terms of the sequence.an = (-1)n+9
A. a1 = -1, a2 = 1, a3 = -1, a4 = 1 B. a1 = -1,a2 = -1, a3 = -1, a4 = -1 C. a1 = 1, a2 = 1, a3 = 1, a4 = 1 D. a1 = 1, a2 = -1, a3 = 1, a4 = -1
Mathematics