. 15cm 11cm 5cm. please help find the area and the perimeter of the Right triangle using formular below
P= a+h+d
A=b×h

Add the fractions and simplify 1/2+ 1/3

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.