Multiply.1 ? 23
A. 23
B. 123
C. 1
D. 0
Answer: A
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Solve the problem.Find the height of a pine tree that casts a 47-foot shadow on the ground assuming that the angle of elevation from the point on the ground at the tip of the shadow to the sun is 64°. Round your answer to the nearest foot.
A. 23 ft B. 21 ft C. 96 ft D. 42 ft
Find a point-slope form for the line satisfying the conditions. When two points are given, use the first point in the point -slope form.Slope -5, passing through (6, -8)
A. y + 8 = -5(x + 6) B. y - 6 = -5(x + 8) C. y + 6 = -5(x + 8) D. y + 8 = -5(x - 6)
Factor completely. If the polynomial cannot be factored, say it is prime.(x + 7)2 - 17(x + 7) + 72
A. (x + 16)(x + 15) B. (x - 2)(x - 1) C. (x2 - 7x + 9)(x2 - 7x + 8) D. (x2 + 7x - 9)(x2 + 7x - 8)
Solve.The total area of a rectangular warehouse floor is 10t4 - 2t3 - 25t2 + 42t - 30 square feet. The length of the floor measures 2t2 + 2t - 5 feet. How many feet is the width?
A. 5t2 - 6t - 6 feet B. 5t2 + 6t + 6 feet C. 5t2 - 5t + 6 feet D. 5t2 - 6t + 6 feet