What is a bar notation I completly forgot answer quick!

During a job fair last year an employer spent 200 minutes interviewing people for jobs this year the employer wants to interview at least 4 more people than last year the company will increase the amount of interviewing time by 40% if each interview

Danni is working a sample booth at the national soda and beverage convention. she is paid $1.50 for each of the first ten tastings, $2.50 for each of the next twenty tastings, and $4.00 for each tasting beyond thirty she conducts each day.

Two kilograms of bronze costs £7.20. What is the cost of 300g of bronze?

Evaluate the expression 3.6 - 3.6 divided by 4.5

Which relationship has a zero slope?

What is 74.8+t=569 what is the answer for that

Sal wants to save a minimum of $1200 over the summer by saving $125/wk. He has saved $230 so far. About how many weeks will it take Sal to save enough money? A. at least 12 wk B. at most 12 wk C. at least 8 wk D. at most 8 wk

What is the cube root of - 1,00001278?

Steve, Mark, Melissa, Joe, and Mary are in a group. They randomly line up at the door. What is the probability that the first person in the line is a girl?

Divide X^4 + 2x^2+1 by x+1