Zack used these steps to solve this equation: when zack checked his solution, it didn’t work. what was his mistake? in step 1, he should have used the multiplication property of equality. in step 2, he should have a constant of – 4 on the right side. in step 3, he should have divided both sides by . in step 4, the answer should be positive.

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)