The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is 21+Zw = 16, where I represents the length of the rectangle and w represents the width of the rectangle. Which value is possible
for the length of the rectangle?
O 7 in.
8 in
o 9 in.
O 10 in.
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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.

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?