Pls help me-
this I really hard to do and I need help

The sum of two numbers is 12 and their difference is 18 what are the two numbers

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

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.