Student answer 75% of the questions on the math exam correctly if she answers 30 questions correctly how many questions are on exam

There are 40 questions in total. 40 x .75 = 30. Hope this helped!

answer:   14

step-by-step explanation:          

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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.

u also answered this so i think u would know but i am here to

put in or use mine