57.80 - 4.07
= 57.80 - 4.00 - 0.07
= 53.80 - 0.07
= 53.73
Answer:
60 hours
Step-by-step explanation:
$3,600 - $2,130 = $1,470 (how much he needs to make)
$1,470 divided by $24.50 = 60 hours
Answer:

Step-by-step explanation:
In order to vertically stretch a function, we just need to multiply the function by our stretch factor.
So, we have the function:

We want to find the equation of this function vertically shrunk by a factor of 1/4. So, multiplied the function by 1/4:

And this will be our answer :)
Answer:
Step-by-step explanation: