Answer: 873
Step-by-step explanation:
let age = x
x/3 - 76 = 215
x/3 = 291
x = 873
Answer:
(8x+3)(8x+3) or x=-3/8
Step-by-step explanation:
Answer:
4. 28 sq. inch
Step-by-step explanation:
First, Area of the square = l² = 2² = 4
Area of the triangle = 1/2 x b x h
= 1/2 x 2 x 6
= 6
Total surface area = Area of square + 4 x area of triangle
= 4 + 4 x 6
= 28
Answer:
-√2+√6/4
Step-by-step explanation: