Answer:
A=2(wl+hl+hw)=2·(8·12+4·12+4·8)=352
Step-by-step explanation:
brainliest?
3x+4y=12
9x-2y=15
we will use elimination
multiply 3x+4y=12 by -3
-9x-12y=-36
9x-2y=15
_________ add
-14y=-21
÷-14 both sides
y=1.5
find x
3x+4 (1.5)=12
3x+6=12
-6 both sides
3x=6
÷3 both sides
x=2
x=2
y=1.5
1 + .3 +.07+.005 x 10 - 6
