Answer:
Step-by-step explanation:
x² - 17x + 72 = 0
Sum = -17
Product = 72
Factor = 8 , 9
x² - 17x + 72 = 0
x² - 8x -9x + (-8)*(-9) = 0
x(x - 8) -9(x -8) = 0
(x - 8 ) (x - 9) = 0
Length = (x - 8) units
Width = (x - 9) units
Answer:
Christ spent $51 on her new school clothes.
Step-by-step explanation:
12 * 3 = 36
36 + 15 = 51
3/4+1/3=9/12+4/12=13/12 of an hour
13/12= 1 1/12
The first triangle x = 44in
the second triangle x=17