Volunteers at sam's school use some of the student council's savings for a special project. they buy 5 backpacks for $6 each and fill each backpack with paper and pens that cost $4. by how much did the student council's savings change because of this project?

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

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal