Y = x + 2
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Answer:
$63.75
Step-by-step explanation:
15% off
Get percentage of retail price
1-0.15 = .85
0.85 = 85%
The sale price is 85% of the retail price
Multiply
0.85 * 75
$63.75
Answer:
A
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(-1-9)/(-3-2)
m=10/-5
m=-2
y=-2x+b
9=-2*-3+b
9=b+6
b=3
y=-2x+3
A
Answer:
option b is the correct answer
Answer:
40 students
Step-by-step explanation:
We need a system of equations to find x or the students in advance:
2x + 4y = 800
x + y = 220
We can use substitution and isolate y in the second equation, which gives us y = 220 - x.
When we plug this into the first equation, we get 2x + 4(220 - x) = 800 and solving for x gives us x = 40.
