Penny used to drive 3.36 miles to school. Then, she moved 1.29 miles closer to school. How far does Penny have to drive to school now?
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Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?