Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.

87.92

Step-by-step explanation:

3.14(a²+ab)=

Plugging in values for a and b

3.14(4²+4×3)=

3.14(16+12)=

3.14(28)=

87.92

Given,

a=4

b=3

Nowz

hope this helps .

Good luck on your assignment...

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540