1.) -21
2.) 5
3.) -20
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Answer:
a) 0
b) 4.5
c) 3
d) 6
Step-by-step explanation:
Formula: 3x + 4y = 12
The questions contains the values of x. So here's an example of:
d) x = -4, y = ?
Using the formula: 3(-4) + 4y = 12
-12 + 4y = 12
4y = 24
y = 6
Do the same for the others!
The answer is <span>C. Percy earns a greater hourly wage of $7.50 at the library.</span>
Brand b is cheaper
34 cents for brand a
32 cents for brand b
hope this helps im not too sure if im correct
Answer: -4.
Explanation: Because -3*4=-12. -12+8=-4.
