Hoa sells vacuum cleaners. She earns a $500 weekly salary in addition to $40 for each vacuum cleaner sold. Write a linear equation to represent her weekly pay based on the number of vacuum cleaners she sells.

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Need on this geometry question. explain how you did it.