3x^2 +10x-8

what two numbers multiply to -24 and add to 10

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

What is the absolute value of the complex number -4-sqrt2i

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?