Answer:
Step-by-step explanation:
Let y represent students in the class
55% of y = 78
0.55y= 78
y = 142
Answer:
It means the factor that we multiply by itself three times to get that number.
18 girls
Half of the students volunteer
15 don't -- so the other half must be 15 as well making there 30 students in the class.
If 12 are boys, then 30(students in class) - 12 (boys) = 18 girls
Answer:
Domain : ( -3 , 4.5 )
Step-by-step explanation:
