Brownies sell for $40 per batch and a batch of cupcakes sell for $60. What is the exact combination of brownies and cupcakes batches that will make the most money in a day?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x