To which set or sets does - 20 belong?

A: whole number, integer and rational number

B: integer and rational number

C: negative integer

D:Whole number and integer

Francis earns a weekly salary of $475 plus a 5.5% commission on sales at a gift shop how much would he earn in us week if you sold $700 in goods round to the nearest cent

What is the value of x in this equation? 5x - 14 = 8x + 4

Tayiln buys 5 ounces of tea leaves for $2.35. At this rate how much money does she need to buy 12 ounces of tea leaves?

What is f (1) given f (x) = 2|x|+3x

Simplify. 2-4:2+23 - 5 2 7 8

Sarah had to limit her fat intake to 25% of total calories if the fat intake is 550 calories what is the total number of calories she consumed for the day

Two cars start at the same time, but travel in opposite directions. One car's average speed is 80 miles per hour (mph). At the end of 4 hours, the two cars are 520 miles apart. Find the average speed in mph of the other car. (Enter an exact number.

Bao can eat 12 chicken wings in 3 minutes. She eats the chicken wings at a constant rate.

An airplane leaves the airport at 2 pm and travels 650 mph to its destination. A second plane leaves at 6 pm and travels 800 mph. How long before the second plane reaches the same distance as the first plane?

The combustion of 0.25 mol of an unknown organic compound results in the release of 320 kJ of energy. Which of the compounds in the table could be the unknown compound?