1. You measure how many pull-ups students in your P. E. class can perform in one minute each week for several weeks.
2.
You provide half of a class of elementary school students with 20 minutes of spelling practice
instead of recess. The other half of the class goes to recess. You record students' grades on a
spelling test taken after recess.

-1, -2, -3, -4, -6

step-by-step explanation:

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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fjfjfhdhdhdhjjdjdjdjdjjd thats the answers

step-by-step explanation: