Answer:
B. -21a-15
Step-by-step Explanation:

17 because you need to multiply
Answer:
1. D
Step-by-step explanation:
Some ordered pairs are:(10,5), (0,9), and (3,15) that make the equation true.
Hope this helps!! ::))
Please rate as brainliest (if it helped at all)!! ::))
Answer:
the total weight sold is 750g
Step-by-step explanation:
300+150=450
450+300 = 750
please mark me as brainliest its beside the rate sign and it looks like a king icon