Food prices, including tax
item price
soft drink $1
fries $2
ice cream $3
hamburger $5
keith sees a food vendor and realizes that he is hungry. he has $7 cash in his pocket. look at the menu and determine which of these food orders would cause keith to spend all the cash in his pocket?
a) 2 hamburgers
b) 1 hamburger, 1 ice cream
c) 1 hamburger, 1 order of fries
d) 1 hamburger, 1 order of fries, 1 soft drink

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.