Evaluate the expression when p = 9.3 and q = - 2.1.

p - 3q

a. 15.6

b. 3.0

c. - 13.2

d. - 15.6

My answer is D

Evaluate the following expression for x = 2 and y = 5. Simplify. x^2y - xy^2 + 3y

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