Question

D. q • q + r² and 2q + (r + r)

Answer 1

q² + r²

and

2q + 2r

Explanation:

q x q + r² and 2q + (r + r)

q × q + r² = q² + r²

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2q + (r + r) = 2q + 2r

Answer 2

d. q^2 + r^2 and 2q + 2r

The expression d. q • q + r² is equal to q^2 + r^2, which is the square of the sum of q and r.

The expression d. 2q + (r + r) is equal to 2q + 2r, which is simply 2 times the sum of q and r.