Solve.
+ 
= - 
A. 27
B. -27
C. -28
D. empty set solution
Answer: B
Mathematics
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Solve the equation.
= 9
A. 
B. ?
C. 
D. 
Mathematics
Factor the binomial completely. If it is prime, say so.x4 - 256
A. (x2 - 16)(x + 4)(x - 4) B. (x2 + 16)(x + 4)(x - 4) C. (x + 4)2(x - 4)2 D. Prime
Mathematics
Solve the problem.When the angle of elevation of the sun is ?, a tree casts a shadow. Which trigonometric function models the length of the tree's shadow?
A. tan ? B. cos ? C. cot ? D. sin ?
Mathematics
Name the law illustrated.1(r + 6) = (1)(r) + (1)(6) = r + 6
A. commutative law for addition B. commutative law for multiplication C. distributive law D. associative law for multiplication
Mathematics