Stephen purchased a guitar, which was originally priced at $80 but discounted at 25%. He also had to pay 5% sales tax. What amount did
Stephen pay to purchase the guitar? *

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?