Answer:
5
Step-by-step explanation:
5x5=25
or
5xa=25
a=5
Answer: The formula is x6
Step-by-step explanation:
Answer:
they will play together again in 28 days
Step-by-step explanation:
Answer:
$52
Step-by-step explanation:
Using the equation
y=mx+c
82=7x+c
122=11x+c
11x-7x=122-82
4x=40
x=10
To get c
82=7(10)+c
82-70=c
c=12
For 4 lessons
y=10(4)+12=52