Answer:
x=5
Step-by-step explanation:

cross multiply
45=9x
solve for x by dividing 9 to get x alone
5=x
#18
Answer C
4*7 = 28 which is the most closest one to 27.8
#19
perimeter = 2(L+W)
175.33 feet = 2103. 96 in
2 ( 2103.96 +48)
2 * 2151.96
4303.92 inches
#20
L*W = A
2103.96 * 48
100990.08 inch^2
to lazy to do the rest sorry
Answer:
7.07107cm
Step-by-step explanation:
d= 
Answer:
Number one is Linear, Number two is Exponential, and Number three is quadratic
Step-by-step explanation: