I am currently $13$ times as old as my granddaughter. Next year, I will be $11$ times as old as my granddaughter. How old am I now?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12