What is the formula for combinations

Kenny and Nour each bought new sneakers for $60. Kenny sold his sneakers to the used sneaker store for 25% less than the original price. Nour sold his sneakers to the used sneaker store for 30% less than his original price.

What is 30 multiplied by 1/2

Relate a vertical line test to understanding functions. a. Each horizontal line drawn through the graph will intersect a function in only one location c. Each vertical line drawn through the graph will intersect a relation in only one location b.

Evaluate (-2 4/5) - (-1 5/6)

He distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.

80 sheets of colored paper. Seven of his students need the paper for a project. How many sheets does each student gets. How many sheets are left over?

Kimi has 7 liters of water to fill water bottles that each can hold 2.8 liters how many can she fill

5 boxes of candles contain a total of 60 candles. Every box holds the same number of candles in each box. How many boxes does the store have if they have 8 boxes?

Which of the following is not an integer? 17 -45 0.54

Write the equation of the line whose slope is 1/3 and y-intercept is - 3. Write the answer in slope-intercept form.