What are the surface area and volume of a regular triangular pyramid with a height of 9 cm and a slant height of 15 cm?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent