Let g(x) = a. What is the domain of g(x)?
b. Describe what is happening when x=-5.
c. Figure out what value should replace the question mark so that h(x), the piecewise function defined below, is continuous.
h(x)={x²-25/x+5 ifx≠-5
{? if x=-5
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Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

25 ! i need asap! ! ill mark brainliest!

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.