Whats 2x + y = 10 5x - y = 18 in elimination method

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%