Write an algebraic expression that models the situation "you had 250 minutes left on your cell phone, and you talk an hour a week. Use w to represent the number of weeks
A - 250 - 60w
B -250-(7)(60)w
C - 250 - 60w
D -250 +7w

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry