I believe the answer is D.
No, it is not a proportional relationship because the graph does not go through the origin.
Simply add -560 and -750 (remember same sides add and keep, different signs subtract) you should get -1310
The question asks for sales tax rate. Sales tax is 39.90-38=1.90 and that's taxed onto the original $38 so 1.9/38=0.05
5% tax on the blazer
Answer:
y=-4x+8
Step-by-step explanation: