Find the GCF for the list.
−15x^3 , 6x^4

Solve the equation by completing the square. x^2+2x=17

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?

Find the missing factor. write your answer inexponential form.9^2=9^4×