Adam can do a job in 10 days, while brenda takes 15 days to do it. after brenda works alone for 3 days, adam and brenda work together to finish the job. how many days did adam work?

What is the value, after 7 years, of a 2014 Ford Mustang that originally costs $25,000.00 if it depreciates at a rate of 8% per year? Round your answer to the nearest dollar.

A population of 35 foxes in a wildlife preserve quadruples in size every 13 years. The function y=35 * 4^x, where x is the number of 13-year periods, models the population growth. based on the model, how many foxes will be after 39 years?

Cal is buying T-shirts and shorts. T-shirts cost $12 and shorts cost $25. He plans on spending no more than $160 and wants to buy at least 5 items. Write a system of linear inequalities that represent the situation.

What is the solution of the system of equations? Y=-3y+7, y=2x-8

Describe a situation that could be modeled by a linear function but not a direct variation

If the gradient of a line C is 2/3 what is the gradient of the line which is perpendicular to C

The sum of a number and twenty-one is sixty-four.

A. y=x^2 - 4x + 9 b. f (x) = x^2 + 8x c. y = x^2 + 5x - 2 use the idea of completing the square to write it in graphing form then state the vertex of each parabola

Diego can type 140 words in 4 minuets. At this rate, how long will it take him to type 385 words

While attending a college football game, you think you can guess the attendance within 10% of the actual value. If the announced attendance is 65,000, within what number of people would your guess have to be in order for you to support your claim?