Answer:
10
Step-by-step explanation:

Therefore, the number is 10
For this case we have the following system of two equations with two unknowns:

Adding both equations we have to eliminate the variable "x":

Adding common terms, keeping in mind that different signs are subtracted and the sign of the major is placed:

Answer:

Option A
Answer:
$495
Step-by-step explanation:
Money earned for babysitting for 7 hours - $63
Money earned for babysitting for 1hour - 63/7= $9
Money earned for babysitting for 55 Hours =
$9 × 55
= $495
The graph has a y-intercept of 2. Hope this helps :)
How about "miles per hour?" I drive "45 miles per hour" on my way into town.
That's a unit rate.
Did you know that 2 pints = 1 quart? You could write this rate / ratio as
2 pints
---------
1 qt
or as
(1/2 qt)
----------- this is a measure of one quantity per unit of another quantity.
1 pint