-6•-5(6-8-7)= 30(-9)=-270
-6*-5(6-8-7)
((−6)(−5))(6−8−7)
30(6−8−7)
30(−2−7)
(30)(−9)
−270
Answer:
D. 21
Step-by-step explanation:
replace 21 for r, 4(21)=84
Hope this helps! If you found my answer helpful, please consider marking me brainliest. Thank you!
Answer: b
it is right
