the jayden family eats at a restaurant that is having a 15% discount promotion. their meal costs $78.68, and and they leave a 20% tip. if the tip applies to the cost of the meal before the discount, what is the total cost of the meal? round your intermediate calculations and answer to the nearest cent.

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

36 inches/second = yards/minute how many yards?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.