B) 6 boys
18 divide by 2 = 9 (girls)
so
12 divide by 2 = 6 (boys)
hope this helps
Answer:
.
Step-by-step explanation:
Answer:
y=-30x+450
if she reads 30 pages every day it will take 15 days
Answer:
12° and 168°
Step-by-step explanation:
If x is the angle, and y is the supplementary angle, then:
x + y = 180
x = y − 156
Solve the system of equations using substitution:
y − 156 + y = 180
2y = 336
y = 168
Plug back into either equation to find x:
x = 12
Answer:
-9a^2+14
Step-by-step explanation: