∠A and \angle B∠B are supplementary angles. If m\angle A=(x-18)^{\circ}∠A=(x−18) ∘
and m\angle B=(x-20)^{\circ}∠B=(x−20)
∘
, then find the measure of \angle B∠B.

What are the excluded values? m+5/mn+3m

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%