Answer:
b = 40
Step-by-step explanation:
This is because Jim starts with $40 and then makes $20/lawn. The equation can be represented by y = 20x + 40
Hoped this helped! :)
Answer:
yes
Step-by-step explanation:
because i just know
Answer:

Step-by-step explanation:
You would substitute "2x" for every "x" in the function in the same way you would substitute any other number.
So if f(x)=Sqrt[7x²-3x], then: f(2x)=Sqrt[7(2x)²-3(2x)]
=Sqrt[7(4x²)-3(2x)]
=Sqrt[28x²-6x]
Answer: nike is 20 year david is 28 year
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
7+3=10. So imma turn ten into t. 5t=5xt. So 5 times 10. 50.
Hope I helped!