The second one from the top shows a dilatation.
One lap. Usually, it would take 4 laps to walk a mile, but since its 1/4 it equals One lap.
Answer:
$50
Step-by-step explanation:
15x18=270
1170-270=900
900/18=50
Answer: y=-x+-8
Step-by-step explanation:
Proof is in the screenshot below
The right answer is Option A.
Step-by-step explanation:
Given,
Heart rate goal = I
Heart rate reserve = H
70% of H = 
Resting heart rate = R
According to given statement,
70% of heart rate reserved is added to resting heart rate to calculate heart rate goal, therefore,
I = R + 0.7H
I=R+0.7H represents the given situation.
The right answer is Option A.
Keywords: linear expression, addition
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