A triangle is 4 centimeters tall and has a base length of 9 centimeters. A Similar triangle has a base length of 18 centimeters. How tall is the similar triangle?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

Can someone me find the original price? the discount is 5% and the sale price is $68.40