Answer:
100-mn
Step-by-step explanation:
He bought m books for n dollars each to know the amount of the books he bought,it means m×n=mn
He had $100 intially so to determine the amount left
100-the amount spent
Therefore the answer is 100-mn
<4 = 22
<4 = x
x + 158 = 180
x = 22
can't see question
IDK
Should be 37 if you use Pythagorean theorem!
