Answer:
18
Step-by-step explanation:
To find the dimensions you can just factor the equation...
x^2+4x-21
x^2-3x+7x-21
x(x-3)+7(x-3)
(x+7)(x-3) and this is equal to LW or WL
And note that x>3 for any possible solution.
Answer:90%
Step-by-step explanation:
18/20=0.9
Percentage means the tenth place so it has to be 90%
Answer:
see below
Step-by-step explanation:
Answer:
3231360
Step-by-step explanation:
5280 x 612 equals 3231360