A travel company uses a quadratic function to model the profit, in dollars, that it expects to earn from selling
tickets to a river cruise at d dollars per person. The
expression - d^2 + 100d – 900 defines this function.
Without graphing, find the price that would generate the
maximum profit. Then, determine that maximum profit.

The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?