Answer:
D
Step-by-step explanation:
X - the number of five dollar bills
y - the number of one dollar bills
She has 18 bills in total.

She has $62.

Set both expressions equal to each other:

She has 11 five dollar bills and 7 one dollar bills.
Answer:
$495
Step-by-step explanation:
After the 5% raise, her weekly pay was ...
$550 × 1.05 = $577.50
If she works 35 hours for that pay, her hourly rate is
$577.50/35 = $16.50
Then, working 30 hours, her weekly pay will be ...
30 × $16.50 = $495.00
Hey there!
Square root of four is positive or negative 2.
So we have:
or 
Add or subtract.
or 
Simplify the absolute value bars.
1 or 5
Hope this helps!
First you need to simplify the left side of the equation to get

Then you add by two on both sides to get

Finally you divide by 2 on both sides to get