the original price of a model car is d dollars you have a coupon and buy the kit for (d-10) dollars, you assemble the model car and sell it for (2d-20) dollars. Write an expression that represents your earrings.

Let w=23 . what is the value of w + 45 ?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!