6is the radius 15 is slant height how do i find surface area of a right cone?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate