Find the product.9(7r + 4 + 6s)
A. 63r + 4 + 54s
B. 63r + 36 + 6s
C. 63r + 36 + 54s
D. 63r + 4 + 6s
Answer: C
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Use one of the inverse trig functions csc-1 or sec-1 to express angle A in terms of b.
A. A = csc-1 
B. A = sec-1 
C. A = sec-1 
D. A = csc-1 
Mathematics
Determine whether the polynomial function is cubic or quartic.
A. Cubic B. Quartic
Mathematics
Solve the equation.
+ 8 = 10
A. 
B. 
C. ?
D. {6}
Mathematics
Solve. Clear decimals first.43.2t + 259.2 = 28.8t + 172.8
A. 6 B. -6 C. 12 D. -12
Mathematics