of the students in the school band, 22/26 play percussion instrument. Of the students who play a percussion instrument, 15/17 play the xylophone. What fraction of the students in the band at the xylophone?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?