Hello luv! So here is how I will evaluate this expression
-4x+7, x=-1 so you are using substitution
-4(-1)+7
=11
:)
Answer:
Casy
Step by step explanation:
You divide the miles by their time
It took Jessica 6 minutes and .03 seconds to finish a mile
It took Casy 5 minutes and 54 seconds to finish a mile
Casy is .09 Seconds quicker than Jessica
Answer:
B and C
Step-by-step explanation:
2/3 = 6/9
and
1/2 = 4/8