which situation can be represented by the expression x + (-3 )choose all that apply : a) an elevator went down three floors .b) a person spent $3 c) a person added three books to the Shelf . d) the temperature dropped 3 degrees ​

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4