X is 0,in most situations,but could you provide a picture next time?
Answer: 7.2$
hope it helps :)
step-by-step explanation:
Cost of each box = 3$
Cost of 3 boxes without 20% coupon = 9$
With 20% off Coupon = 9 by 100 multiplied by 20
(the zero's cut with each other leaving)
= 9 by 10 multiplied by 2
(9 multiplied by 2 = 18)
= 18 by 10
(18 divided by 10 = 1.8)
= the 20% of 9$ is equal to 1.8
when subtracted with the total cost leaves 7.2$
Answer:
12
Step-by-step explanation:
+ 
= 
in this case its
+ = 
25 + = 169 subtract 25 from both sides
= 144 take square root of each side
b = 12
Answer:
Step-by-step explanation:
Perimeter is just adding all of the sides' lengths together, so we can put all of them into one big equation and then combine like terms.
Hope this helps!
