Answer:
3(x+y+3)
Step-by-step explanation:
Answer:
5x + (x+12) = 90
x = 13
m∡1 = 5(13) = 65°
m∡2 = 13 + 12 = 25°
Step-by-step explanation:
6x + 12 = 90
6x = 78
x = 13
4.80/0.12 = 40. So you can buy 40 pencils.
Slope = rise/run
Rise = 3, run = 8
Downwards line = negative
Slope = -3/8