10y = 90
y = 9
6x + 5(9) = 90
6x + 45 = 90
6x = 45
x = 7.5
Answer : last option
x = 7.5, y = 9
Answer: (13) 128 (14) 3 (15) 38 (16) 21
Step-by-step explanation:
13) (x+3)+49=180
14) 66+8x=90
15) (x+3)+49=90
16) 3x+117=180
Answer:
36 in because the radius×2=diameter