And triangular pyramid and a triangular prism have congruent bases and the same height the triangular pyramid has a volume of 90 m3 what is the volume of prism?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?