Answer:
−23k−5m
Step-by-step explanation:
Collect like terms.
(4k-32k+5k)-5m(4k−32k+5k)−5m
3 x 21
20 x 4 tenths
21 x thirteenth
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its D
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5 x 5 = 25
4 x 2 = 8
25 + 8 = 33 cm^2