Sidney's bill for dinner at a restaurant was $98. she left a 15% tip. what was the total cost of her dinner, including tip?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Don't know how to find x given these segment lengths

If the discriminant if a quadratic equation is 4 which statement describes the roots?