Evaluate the expression for the given value or values.x - 2yz for x = 90, y = 3, z = 5
A. 420
B. 1320
C. 60
D. 80
Answer: C
Mathematics
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Find the exact value of the expression using the provided information.Find cos(A + B) given that cos A = 
, with A in quadrant I, and sin 
with B in quadrant IV.
A. 
B. 
C. 
D. 
Mathematics
Find the mean of the given values.75, 85, 61, 81, 58
A. 85 B. 75 C. 72 D. 60
Mathematics
Factor the given factor from the expression.x3/8; x7/8 + 3x3/8
A. x1/8(x4/8 + 3) B. x1/8(x7/8 + 3) C. x3/8(x1/2 + 3) D. x3/8(x-1/2 + 3)
Mathematics
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = 
A. 
B. 
C. 
D. 
Mathematics