Andy left a 15% tip for a meal that cost $38. What was the total cost of the meal including the tip? whit solution

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b