Fabian saved up money mowing lawns. After 4 weeks, he had $350 and after 9
weeks he had $400. What is the rate of
change of money in his savings account
per week?

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

step-by-step explanation:

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd