Eight and three tenths in decimal form

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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?