Answer:
5/6
Step-by-step explanation:
The ratio is:
45 / 54
Or, reduced:
5 / 6
Putting this into an equation, it would be (12 ÷ -3) + - (14 x 4)
-4 + -56 = -60
Answer: Supplementary angles
Step-by-step explanation: If you look at the image, the marked angles have a supplementary angle that will add up to 180 degrees. These acute angles will have an obtuse angle as their supplement.
A machine can print 30 t-shirts in 1 min., because the ratio of time to shirts is 300 shirts per 10 mins and 30 per 1 is 1/10 of that.