Tucker's front porch is 7 feet wide and 12 feet long. Tucker wants to stain the wood on the porch next weekend. The stain costs $2.00 per square
foot. How much will it cost to buy enough stain for the whole porch?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Me asap! what is the slope of this line? enter your answer in the box.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?