Tom is 13 years old. Brad is 10 years old. Which number sentence can be

used to find how much older Tom is than Brad?

•

-10 = 13

13 + 10 = 0

-

13 - 10 =

When x increases from a to a + 2, y increases by a factor of 1/4

Henry knows that the area of a rectangle is 30 square inches. the perimeter is 22 inches. If the length and width of Henry's rectangle? Explain how you know

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Which of the following is always irrational