An airplane travels 1280 km against the wind in 2 hours and 1640 km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?

What operation does the power 1/2 represent? Can you think of operations that other fractional powers represent, such as 1/3, 1/4 and 2/3?

What is greater - 4 in a half or - 7?

Which is the sum of 8 3/4 plus 2 1/2

Alan drove 260 miles using 12 gallons of gas. At this rate, how many gallons of gas would he need to drive 286 miles?

Weather or not the truck can pass threw the bridge

Use you graph to estimate the value of x when y = 2. How would you work that out?

Las casas del lado de la calle donde vive karina llenen todos los numeros pares la primera casa de la calle es el numero 200 y la ultima es el 240. Karina observa que no se han saltado ningun numero par cuantas casas hay de ese lado de la calle

Find the sum of the integers from - 6 to 57.

An Investor invested a total of $2,600 in two mutual funds. One fund earned 7% profit while the other earned 3% profit. If the investor's total profit was $150, how much was invested in each mutual fund?

Physics students drop a ball from the top of a 100 foot high building and model its height as a function time with the equation h (t) = 100 - 16t^2. The height, h, is measured in feet and time, t, is measured is seconds. Find the value of h (0).