Answer:
117 cm²
Step-by-step explanation:
4 cm + 4 cm = 8 cm
17 cm - 8 cm = 9 cm
perimiter means all the way around, and im assuming this is a 4-sided shape, so 5+5+4+4 = 18 ft.
Answer:

Step-by-step explanation:
Multiply both sides by 7 to get rid of the denominator on the Right Side (RS). Do the same for the left side (LS) by multiplying both sides by 5 to get:

Simplify: 
Divide both sides of the equation by 7 to get: 
Answer:
y=14; x=72
Step-by-step explanation:
y=(21×2)/3; x=(48×21)/14