Which of the following is in the solution set of the inequality is x+13< 9?

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Find the distance between the pair of points a(-1,8) and b(-8,4)

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?