Solve the problem.The 9 ft wall shown here stands 30 feet from the building. Find the length of the shortest straight beam that will reach to the side of the building from the ground outside the wall.

A. 53.3 ft
B. 52.3 ft
C. 51.3 ft
D. 39 ft


Answer: B

Mathematics

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Factor completely. If the polynomial cannot be factored, write "prime."8x6 - 10x3 - 12x3 + 15

A. (2x3 - 3)(4x3 - 5) B. (2x6 - 3)(4x - 5) C. (8x3 + 3)(x3 + 5) D. (2x3 + 3)(4x3 + 5)

Mathematics

What is IT when I1 = 42 mA, I2 = 20 mA, and I3 = 20 mA?



a. 82 mA
b. 62 mA
c. 42 mA
d. 20 mA
e. 2 mA

Mathematics

Write the fraction and mixed number as a percent.

A. 1000% B. 39% C. 7.8% D. 78%

Mathematics

Find all real solutions of the equation. ?

What will be an ideal response?

Mathematics