Josh has 12 pencils. He gives some of them to his friends. Now he has 7 pencils left. How many pencils did Josh give to his friends?

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.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.