Grace is at a bookstore with $75 to spend. she has plans to buy a reference book that cost $18 and some novels that cost $12 how many novels can grace by along with the reference book

Step-by-step explanation:

12x+18=75

-18=-18

12x= 57

Divide by 12.

57/12=4.75

Grace can buy 5 books including the reference book

it would be 6xy and -16xy.

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.