Find the sum.-43 + (-15)
A. 28
B. 58
C. -28
D. -58
Answer: D
Mathematics
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Find the greatest common divisor (GCD).30 and 19
A. 1 B. 10 C. 3 D. 19
Mathematics
Solve the problem.From a boat on the river below a dam, the angle of elevation to the top of the dam is 
If the dam is 1286 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot)?
A. 4806 ft B. 4786 ft C. 4816 ft D. 4796 ft
Mathematics
Use synthetic division and the Remainder Theorem to find the function value.f(x) = 2x3 + 4x2 + 8x + 1; find f(-3)
A. -93 B. -67 C. -41 D. 7
Mathematics
Solve the problem.Mara can type 920 words in 
hour (40 minutes). How many words per minute can she type?
A. 35 words/minute B. 23 words/minute C. 15 words/minute D. 613 words/minute
Mathematics