Let u = <-7, -2>. Find 4u.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

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?