1. Casey bought 20 pens, some ballpoint and some felt-tipped. Ballpoint pens cost $0.25 each and felt-tipped pens
cost $1.25 each. If Casey spent $15.00 on pens, how many felt-tipped pens did he buy?!

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.