Answer:
Step-by-step explanation:
I think it is A
Answer:
the missing is 4.98
Step-by-step explanation:
X=5
7(5)-8=35-8=27
3(5)+12=15+12=27
Answer:

Step-by-step explanation:

We know: the denominator must be different than 0.
Therefore
<em>add 8 to both sides</em>

<em>divide both sides by 2</em>

Answer:
1. 0.35 miles per minute
2. 5.25 miles
Step-by-step explanation:
1. speed is 21 miles per hour
speed per minute = 21/60 = 0.35 miles per minute
2. distance covered in 15 minutes = 15*0.35
= 5.25miles