Question

Answer question 1 and 2

1. a2+b2 when a=3, b=8

2. 2l+2w when l=15,w=12

Answer 1

1. Given, a=3, b = 8

Therefore, a^2+b^2

= (3)^2+(8)^2

= 9+64 = 73

2. Given, l = 15, w = 12

Therefore, 2l+2w

= 2(15)+2(12)

= 30+24 = 54

The answers are:

1. 73

2. 54