18$-8$book=20pencils that were 10$.
and Brian had 80 cards work: 80÷2= 40+10 new cards=50 cards
Answer:
x = 1
Step-by-step explanation:
6(4x + 2) = 3(8x + 4)
24x + 12 = 24x + 12
x = 1
Answer:
22.5°
Step-by-step explanation:
The triangle is an equal 1/8 slice of the octagon. If another triangle were placed right next to it, it would have the same angle. so to find out the angle, we just have to divide it by 2.
45 ÷ 2 = 22.5
