What is the coeffcient of x in the expression 6x+9y+15z

Danielle needs to pay $50.00 to attend her college's semi-formal. When she works in the dining hall, she makes $20.00 per day plus $6.00 for every additional hour she works. If she wants to earn at least $50.

Reggie spent 2/5 of his day at a day camp exploring nature. if he was at camp for 10 hours, how many hours did he spend exploring nature

36 is what percent of 240

Write or draw to explain away to find each sum:6+7,8+4,2+9.

A poster of area 24,000 cm2 has blank margins of width 10 cm on the top and bottom and 6 cm on the sides. find the dimensions that maximize the printed area. (let w be the width of the poster, and let h be the height.)

The volume of a gas is 10.0 liters and its pressure is 1.5 atm. If the pressure is decreased to 0.75 atm, what is its new volume?

The large Magellanic Cloud is a galaxy that orbits our milky way galaxy at a distance of 1.79 * 10^5 light years. which shows this number written in standard notation?

Jennifer had a total of 20 coins consisting of nickels and quarters. If the value of the coins was $1.80, how many quarters did she have?

How to write factor the expression to find equivalent 28x-36

Apply the communicative property to 13*7*21 to arrange the terms and still get the same solution