Answer: r = -0.5 and -0.8
Step-by-step explanation:
I never learned this yet!
Answer:
1
0.5
0.8
i just did it and was right
.1 or .14285714285on:
Step-by-step explanation
a) 7y - 3
400/1000×100%
40% is the percent of decrease from 1,000 to 400.