The region R in the graph represents a baker's profits.

The region R in the graph represents a baker's profits.

If she sells x breads for $4 and y pies for $5, what is the maximum amount of profits she can make in a day?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

If you could answer these your a life saver