A curtain manufacturer uses a 90-yard roll of material to make 7 identical curtains. There was 7.75 yards of material left over. How many yards were needed for each curtain?

11.75 yards

Step-by-step explanation:

90  - 7.75 = 82.25

82.25 / 7 = 11.75

the answer is 0.3175 hope that you ^w^

also you might actually want to put this picture up if you want people to solve it luckily i remember this question

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.