a student studies diligently and increases his math average by 15 percentage points. this is a 20% increase. what was his average before he began to apply himself to his studies?

step-by-step explanation:

through just a quick inspection, one can see that the graph of this cubing function starts in quadrant iii and ends in quadrant i.   when x = 0, y = 3, so the y-intercept is (0, 3).

if graphs are part of the problem statement, share them.   .

cut 138 centimeters off

step-by-step explanation:

250-112 = 138

step-by-step explanation:

first you will have to convert 3/4 into a decimal

which is .75

then you will have to divide 1.5 by .75

which is 2

no you have to divide

step-by-step explanation:

the shape,the size and the distance