A student spends $48 on school supplies at a store where sales tax is 7%. What is the total cost of the supplies?
2 answers:
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Answer:
B. y= 1/2 x - 3
Step-by-step explanation:
base equation: y= mx+ b
slope(m) equation:
y2= -1 y1= -3
x2= 4 x1= 0
y- intercept: -3
found by taking the y from (0,-3)