David has c decks of cards. Each deck has 52 cards in it. Using c, write an expression for the total number of cards David has.

If a hummingbird were to get all of its food from a feeder, then a 16 ounce nectar feeder could feed 80 humming birds a day. How many hummingbirds would u expect to be able to feed with a 12 ounce feeder?

Factor completely x^2+2x-24

What conic section is this 4x^2 + 9y^2 = 81?

X+4y=2v make x the subject

Which algebic expression is "ten less than a number divided by twelve"?

The distance d traveled at a constant speed r is directly proportional to the time t spent traveling. a car moving at a constant speed travels 150 miles in 2.5 hours.

The Suarez family pay $23.25 for three movie tickets at the rate could the family use a $100 gift certificate to buy 12 tickets

If the value of dependent variable y increases as the value of the independent variable x increases the graph of this relationship could be a? A. Horizontal line B. Vertical line C. Line with a negative slope D. Line with a positive slope

An angle measures 106° less than the measure of its supplementary angle. What is the measure of each angle?

Camilla is 14 years old. She is one-third of her teacher's age. How old is her teacher?