Find the total cost if tools plus company makes 210 drills

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12