Answer:
Step-by-step explanation:
Y = sit ups, x= days
y= 2x + 15
33 = 2x + 15 (subtract 15 from both sides)
18 = 2x (divide both sides by 2)
9 = x, 9 days
Answer:
B several
Step-by-step explanation:
The solutions are where the graphs intersect
It appears there are 3 points of intersection
Given the choices
It is more than one and less than infinite