15 is 48 and 16 will be tricky!
Answer:
The independent variable, which will go on the x-axis, is the price of the t-shirts.
The dependent variable, which will go on the y-axis, is the number of t-shirts sold.
Step-by-step explanation:
I took the test (: (Sorry it's late)
Any number of -4 and past that is lower than -3. (-4, -5, -6, -7, -8, -9)
D - their slopes are negative reciprocals of each other.