Let x be the hours that erica babysits. Write an expression to show the total number of hours erica works each week

x

Step-by-step explanation:

With no other information given, if she works x hours in a week, then the expression is simply x.

7x

Step-by-step explanation:

If x is the hours that erica babysits, and 7 is the 7 days of the week. You will get that expression.

Because it is an expression, you cannot have an equal sign. It is an equation that has the equal sign.

the cat is blue because the probability of extension towards the prefix of the diameter of the circle could only mathematically equal to the sum of the roots of the carrots from   your garden.

step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb