The formulas:

Expand the expression:

Plug the values into the expression:
4 + h = 68
h = 68 - 4
h = 64
hope this helps
Answer:
6 square units
Step-by-step explanation:
Given shape is of a trapezoid:

Area of shape = area of square + area of triangle

Hey there! :)
Answer:
170 cm².
Step-by-step explanation:
This is an example of a composite figure, so find the areas of each shape separately:
Begin by finding the area of the smaller square. A = s²
A = 7² = 49 cm².
Find the area of the larger square:
A = 11² = 121 cm².
Add up the two areas:
49 + 121 = 170 cm².
Answer:
He did not
Step-by-step explanation:
if you put 6: 8 in a fraction 6/8, it doesn't have any relationship with 9/12