0 - (-6)
<span>-4 - 5
hope they help u out</span>
Step-by-step explanation:
the answer is on the photo above
There 6 possible outcomes for a roll of a die. So if there are two dice, then it's 
Answer:
5 hours
Step-by-step explanation:
Step one:'
given data
Angelo charges a one time fee of $50 plus $15 per hour
let the total charge be y
and the number of hours be x
y= 50+15x----------------1
Deborah charges a one time fee of $25 plus $20 per hour
y= 25+20x----------------2
equate 1 and 2 to find x
50+15x=25+20x
collect like terms
50-25= 20x-15x
25= 5x
divide both sides by 5
x= 25/5
x= 5 hours
Answer:
Yes, Sierra is correct
Step-by-step explanation:
Given

Required
Is she correct
The right parenthesis has 4 + 5.
This can be simplified as: 
So, we have:


The left parenthesis has y + 7.
This cannot be simplified because y is a variable and 7 is a number.
<em>Hence, Sierra is correct.</em>