Answer:
B
Step-by-step explanation:
x=2
ab=7
bc=5
because you do
2x+3 = 4x+3
-3 -3
2x=4x
-2x -2x
x = 2
2x2+3
4+3
=7
4x2-3
8-3
=5
C
The pool raises 30 inches every 4 secounds
Therefore the equations to find the answer is 30 divided by 4 which equals 7.5
D. 3.14
hop this helps ^o^
(h+k)(2)=4+1+2-2=5
(h-k)(3)=9+1-3-2=3+1-1=9
3h2+2k3=3*5+2=17
