Answer:
y=10
Step-by-step explanation:
2y+3+9y-7+7y+4=180
18y=180
y=10
Answer: x = 20
Step-by-step explanation:
A right angle adds up to 90 degrees. Therefore, the sum of all the angle values must equal 90
x + 2x + x + 10 = 90
4x + 10 = 90
4x = 80
x = 20
Answer:
4/5 is greater than 2/7 (>)
Visualize:
4/5 > 2/7
1/8+ 1/4(2/8)+ 3/8+ 1/2(4/8)+ 5/8+ 3/4(6/8)+ 7/8= 28/8 = 3 1/2