Factor by grouping.sa + ta + sy + ty
A. (s + t)(a + t)
B. (s + a)(t + y)
C. (s + y)(a + t)
D. (s + t)(a + y)
Answer: D
Mathematics
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Write the compound statement in symbols.Let r = "The food is good." p = "I eat too much." q = "I'll exercise."If the food is good or if I eat too much, then I'll exercise.
A. (r ? p) ? q B. (r ? p) ? q C. r ? (p ? q) D. r ? p ? q
Mathematics
Solve the problem.If u = 
, v = 
, and w = 
, evaluate u ? w + v ? w.
A. -34 B. -43 C. -32 D. -39
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes B. No
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Sketch the ellipse for the equation.16(x - 2)2 + 9(y + 2)2 = 144
A. 
B. 
C. 
D. 
Mathematics