How many 3/4 inche thick pancakes make a stack that is 4 inches tall (I also need the multiplecqtion equation for it!) please due soon

Find the slope of the line y =8/9x + 1.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.