Answer:
A now give brainliest
Step-by-step explanation:
Supplementary angles sum up to 180 degrees.
2x - 4 + 2x + 4 = 180
4x = 180
x = 45
Therefore,
m<9 = 2(45) - 4 = 90 - 4 = 86 degrees
m<10 = 2x + 4 = 90 + 4 = 94 degrees.
Answer:
39 pages
Step-by-step explanation:
Divide 15 by 3 to find the unit rate, which is 3 pages for 1 hour. Multiply the 3 pages by 13 hours.
