Expand and simplify the given expression by use of Pascal's triangle.(-2x - 1)5
A. 32x5 + 80x4 + 80x3 + 40x2 + 10x + 1
B. -32x5 + 80x4 - 80x3 + 40x2 - 10x + 1
C. -32x5 - 80x4 + 80x3 - 40x2 + 10x - 1
D. -32x5 - 80x4 - 80x3 - 40x2 - 10x - 1
Answer: D
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Provide an appropriate response.Suppose that A is an m × n matrix and B is a p × q matrix. Under what conditions will the sum A + B exist?
A. The sum will always exist. B. The sum will exist if m = p and n = q. C. It is not possible for the sum to exist. D. The sum will exist if n = p.
Find the area bounded by the indicated curves.x = 2y2 - 1, x = y2 + 8
A. 
B. 27
C. 24
D. 36
Solve. Round to the nearest tenth when necessary.Glenn and Sarah are building a new home. On the blueprints, the basement measures 3 inches by 6 inches. The actual room is similar in shape with a length of 42 feet. What will the width of the basement be?
A. 84 ft B. 0.8 ft C. 0.2 ft D. 21 ft
Match the inequality with its graph.x > 2
A. 
B. 
C. 
D. 