She can use 5 or 7 baskets because 35 is divisible by both 5 and 7.
The first term is
−
17
and the common difference is
3
There was a 75% mark up on the jacket
The slope is -4.7 because this equation is written in point slope form. This equation can be rewritten as y = -4.7x + 21. Point slope form is y = mx + b, with m being slope and b being y-intercept.
Step-by-step explanation:
Below is an attachment containing the solution.