jaheel earn $12.75 per hour plus 4% commission on his furniture sales . During a six-hour shift, jaheel made four sales as shown in the table below

Find the value of the cosine for angle a

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document