Answer:
I think the answer is C, sorry if I'm wrong
Answer:
first box: -9
second box: -20
Step-by-step explanation:
Group the terms with c and the ones without c:
9c - 15c - 3c = -9c
-12 - 8 = -20
So the simplification is -9c + -20
(which is the same as -9c - 20)
Answer:
13 bracelets
Step-by-step explanation:
She has approximately 94 inches of string and she she uses approximately 7 inches of string for each bracelet
she can make 94 ÷ 7 = 13 bracelets with the string she has.
Answer:
20 m/s
Step-by-step explanation:
Distance = rate * time
400 m = rate * 20 seconds
Divide each side by 20 seconds
400m/ 20 seconds = rate
20 m/second = rate