Answer:
The cost of lesson for 9 hours on weekdays and 3 hours on weekends
Step-by-step explanation:
Given


Required
What does 9m + 3(1.2m) represent
The expression can be split to:
9m and 3(1.2m)
<u>For 9m:</u>
From the question, we understand that:

Multiply both sides by 9


This means that:
9m = the cost of lessons for 9 hours on weekdays
<u>For 3(1.2m):</u>
From the question, we understand that:

Multiply both sides by 3


This means that:
3(1.2m) = the cost of lessons for 3 hours on weekends
Hence, the expression represents:
The cost of lesson for 9 hours on weekdays and 3 hours on weekends
Answer:
try b
Step-by-step explanation:
A.
PEMDAS
Parenthesis always comes first, then exponents, multiplication and division, adding and subtracting
Answer:
Option 2: A=1, B=3, C=4
Step-by-step explanation:
- 7/9÷4/9 = 7/9*9/4
- cancel 9 on each side
- =7/4
- = 1 3/4
After Greg makes the pudding 1 time, it takes him

hours to make it.
After Greg makes the pudding 2 times, it takes him

hours to make it
After Greg makes the pudding 2 times, it takes him

hours to make it
so The function is

Answer: f of x equals 2 multiplied by 0.8 to the power of x