Multiply.(x + 10)(x3 + 7x - 4)
A. x4 + 7x2 - 4x + 10
B. x4 + 10x3 + 7x2 + 74x + 40
C. x4 + 10x3 + 7x2 + 66x - 40
D. x3 + 17x2 + 66x - 40
Answer: C
Mathematics
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Subtract.82,438
A. 55,646 B. 61,646 C. 55,582 D. 55,642
Mathematics
Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms.3
+ 2
+ 
A. 128
B. 10
C. 10
D. 8
Mathematics
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 44 s B. 33 s C. 22 s D. 11 s
Mathematics
Solve the triangle. 
A. b = 4.25, A = 40.6°, C = 114.4° B. b = 3.25, A = 40.6°, C = 114.4° C. b = 2.25, A = 114.4°, C = 40.6° D. b = 3.25, A = 114.4°, C = 40.6°
Mathematics