Answer:
Step-by-step explanation:
Let y represent students in the class
55% of y = 78
0.55y= 78
y = 142
Answer:
I think it's C
Step-by-step explanation:
A is go up one time
B is go down one time
C is... not sure what's going on there
And D is multiply by 8
I'm confused.
Answer:
A
Step-by-step explanation:
Taking the square root of both sides.
Answer:
30°
Step-by-step explanation:
130+20=150
180-150= 30