9. A picture framing shop sells ready-made frames and also does custom framing using different kinds and widths of wood or metal. The
shop has a three-day sale. During the sale, for an 11-inch x 14-inch frame, a ready-made frame costs $12 and a custom frame
costs $30. Over the course of the three days, the shop sells ninety-two 11 x 14 frames and collects $1,788. Solving which system
of equations would yield the number of 11 x 14 ready-made frames r and the number of 11 x 14 custom frames c that the shop
sold during the three-day sale?

125 yards

step-by-step explanation:

i take 75 plus 50.

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

that one look

step-by-step explanation: