Charlie sells cookies only in packages of 10. it costs him $3.50 in materials per package. additionally, he has overhead costs of $1,500.00 per month. in order to pay himself an monthly salary of $5,000.00, how many packages of cookies does charlie need to sell per month at $10.00 per package?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6