Astudent received a 75% on an exam. if there where 20 questions on the exam , which ratio would show the number of questions answered correctly?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

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.