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yan [13]
2 years ago
7

Evaluate each expression if r= −3, s=4, and t= −7.

Mathematics
1 answer:
saul85 [17]2 years ago
5 0

Answer:

a. 5

b. -1

c. 132

Step-by-step explanation:

Given:

r =-3, s = 4 and r = -7

\sqrt{s} +|r| \\ \sqrt{4} +|-3| \\ 2 +3 \\ 5

\frac{s -r}{t} \\ \frac{4 -(-3)}{-7} \\ \frac{4 +3}{-7} \\ \frac{7}{-7} \\ -1

2s^3 +r -t \\ 2(4)^3 +(-3) -(-7) \\ 2(64) -3 +7 \\ 128 -3 +7 \\ 132

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