Answer:
The third option
Step-by-step explanation:
This is because you plug in 1 as a test into each of the equations and see if it equals to 12.25. It works for the third option. To verify that you can also plug in different x values and see if they match the y value.
Answer:
8/10 is .8
Step-by-step explanation:
You divide 8 by 10.
Answer:
158 square feet
Step-by-step explanation:
2(lb+bh+lh)
2(40+24+15)
80+ 48+30
158
Answer:
Step-by-step explanation:
3c + 5w = 16
6c + 2w = 22
-6c - 10w = -32
6c + 2w = 22
-8w = -10
w = 10/8 = 5/4 = $1.25 per lb
3c + 5(1.25) = 16
3c + 6.25 = 16
3c = 9.75
c = $3.25 per lb
