Perform the following calculations.(-5)(-21) + (-4)(-17)
A. -173
B. -39
C. 173
D. -47
Answer: C
Mathematics
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Solve the problem.How many different vertical arrangements are there of 7 flags if 3 are white, 2 are blue, and 2 are red?
A. 16 B. 210 C. 35 D. 12
Mathematics
Solve the formula 
for the variable r. Then substitute numbers i = 64 , p = 400, and t = 2 to find the variable's value.
A. r = 334 B. r = - 338 C. r = 0.08 D. r = 466 E. r = 0.16
Mathematics
Multiply using the rule for finding the product of the sum and difference of two terms.(11x + 9)(11x - 9)
A. 121x2 + 198x - 81 B. 121x2 - 81 C. x2 - 81 D. 121x2 - 198x - 81
Mathematics
Use synthetic division and the remainder theorem to find P(2) if P(x) = 2x³ – 4x² + x + 12.
A) 13 B) 14 C) 15 D) 16
Mathematics