Answer:
9) x = 89°
10) x = 118°
11) x = 145°
12) x = 40°
Step-by-step explanation:
9) 180-91 = 89
10) x = 118° because it is alternate interior to 118
11) x-30 = 115, x = 145
12) 4x-15 = 145, 4x = 160, x = 40
Answer:
9%
Step-by-step explanation:
9/100 = 0.09
To convert to a percent, multiply by 100 and add a percent sign:
0.09 * 100 = 9%