Which expressions are quadratic expressions? Check all that apply. z2 2x + 7x - 10 2x2 + 9x - 7 500 (0.25) t - 1 13x3 + 21x2 - 5

The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the base of the pyramid in inches?

If f (x) = 6x ^ 2 - 4a and g (x) = 2x + 2 find (f - g) (x)

395,3.95,0.395,39.5 least to greatest

Julian saved between $ 30 and $ 52 over the summer. His friend Daniela saved twice as much. Let n represent the amount of money Julian saved. Write and solve an inequality to represent the amount of money Daniela saved.

Which equation is equivalent to 1/3 (9x + 12) + 4x + 6 A-7x+18 B-7x+10 C-13/3x + 6 D - 13x+18

Which word has a horizontal line of symmetry? A. HAD B. BED C. LIT D. HIP

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?