Solve the problem.A 5-foot tree casts a 13-foot shadow and creates a right triangle, as shown. At the same time, a nearby building casts a 78-foot shadow, creating a similar right triangle. What is the height of the building?
A. 42 ft
B. 202.8 ft
C. 15.6 ft
D. 30 ft
Answer: D
Mathematics
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Evaluate.-15 + 1 - 2
A. -14 B. 16 C. -16 D. -12
Mathematics
For the given arithmetic series, what is Sn?a1 = 25, d = 3, and n = 32
A. 2313 B. 2288 C. 4576 D. 9152
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 7x + 7 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 0.3(x + 2) B. 0.3(x + 2)3 C. 0.3(x + 8) D. 0.9(x + 8)
Mathematics