Last week Henry loaned a friend $15 from his wallet. This week Henry loaned the friend another $7. In dollars, what is the change to Henry's wallet balance?

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

Aline passes through 3,7 and 6,9 what equation represents the line

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.