Answer:
A. 1/5 × 92 is the Expression that can be used in order to find 20% of 92.
18.4 but io do not know what expression can be used to find out your questions
Step-by-step explanation:
Total surface area of cuboid= 2(lb+bh+hl)
= 298ft²=2(28+4x+7x)
= 149=28+11x
= 121=11x
= 11=x
You should be able to set up a proportion between the sides something like (18+x)/x=(56+21)/56
27.6
brainly.com/question/12181840
credit to Calculista