Answer:
a=12
b=9
Step-by-step explanation:
b=0.75a
a+b=21
a+0.75a=21
1.75a=21
12+b=21
a= 12
b= 9
I hope this helps
Answer: 90 students
I got this question on my test, and the answer was 90
100% verified! :D
Slope = 3
Because it increases by 3 each time.
An angle shaped as a long L is a right angle...
For the first question, the answer is A (<em>p</em> = 27)
For the second one, I think that the answer is C
