Answer:
obtuse angle
Step-by-step explanation:
She spent 20 dollars on each book because if you subtract 18 from 198 you'll get 180 then you divide that by 9 n it leaves you with 20.
See the attached picture:
Answer:
(m+n) -a = r
Step-by-step explanation:
first, you have to find what m+n is because that is their total budget, then you have to remove how much their apartment costs from their budget, because r is the amount of free cash they have. once A is subtracted from m+n, you have r
15 is equal to x divided by 3 plus 7
