David purchased some cookies at the cost of 5 for $4 and sold 4 for $5. He made a profit of $90. How many cookies did he purchase and sell to make that much money

April has 40 cookies to make for upcoming bake sale. she made 3/5 of the cookies chocolate chip and 1/4 of them peanut butter. How many chocolate chip and peanut butter cookies are there in all

Bryan drives at an average speed of 60 miles per hour. At this rate, it will take him 3 hours to drive miles.

Z+11≤17 What is the answer?

What is the perimeter, P, of a rectangle that has a length of x + 5 and a width of y - 1?

A rabbit traveled 60 meters in 4 seconds. what is the unit rate? enter your answer into the box.

How do you write 120% as a decimal and as a fraction

Find the derivative of the function. y = √ (11x + √ (11x + (√11x)))

Carmen spent $88 at the mall the money she spent was 25% of the total amount she had in her wallet

Which of the following situations can be modeled with a periodic function? A) the height of a football after it has been thrown B) the height of a person riding on an escalator C) the height of a building after it has been constructed D) the height

Solve 1/3 x = - 4/5?