Hiro has 72 toy animals. He puts all the toy animals into 8 equal groups. Then, he puts one of the groups of toy animals on 3 shelves. Hiro puts the same number of toy animals on each shelf.
How many shelves does Hiro use for one group of toy animals? Enter the answer in the box.
shelves

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?