A regular triangular pyramid has a base and lateral faces that are congruent equilateral triangles. It has a lateral surface area of 96 square centimeters. What is the surface area of the regular triangular pyramid?

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

What value of x is in the solution set of –5x – 15 > 10 + 20x?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i