Amelia runs a catering business. Based on her records, her weekly profit can be approximated by P= 2x^2 -44x -150, where x is the number of meals she caters and P is her profit. When P is negative, Amelia has lost money. 1. what is the least number of meals Amelia needs to cater in order to begin making a profit?

2. if she caters no meals one week, how much money does she lose?

3. what is her profit for catering 50 meals?
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Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Is a positive integer raised to a negative power always positive