Tyra has 12 2/3 cups of sugar. If r is the amount of sugar called for in one batch of cookies,
the expression 12 2/3 ÷ r can be used to find how many batches Tyra can make with the sugar she has.
If r is 2/3 cup, how many batches of cookies can Tyra make?

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"