What is the multiplicative inverse of 2/5

The domain of the following relation: R: { (-4,8), (8,10), (5,4), (1,6), (5,-9) } is

Jaidee paid $2 for a fruit drink. She now has $19. With how much money did she start?

What is 6/100 as a decimal

Order the rational numbers below from greatest to least. -0.8, - 9, - 3/4, - 5.3, - 1

Shell charges $2.23 dollars per gallon of gas for refueling vehicles. Assume the number of gallons is your independent variable (x) and the cost is your dependent variably (y). Find 'y', the cost of x gallons of gas.

Does this graph represent a proportional relationship? Explain.

A researcher conducts a repeated-measures study comparing two treatment conditions with a sample of n = 25 participants and obtains a t-statistic of t = 2.21. Which of the following is the correct decision for a two-tailed test? A.

I thought of a number, divided it by 1 1/2, then added 2 1/2 to the result, then multiplied the sum by 1 2/3. then i subtracted 1 2/3 and got the result 2 5/6. what was my number?

Find the lowest common denominator of and

Last week Bill made a purchase of $56.78 before tax. This week, the same items on sale would have cost him $41.90 before tax. If the tax is 4%, how much could Bill have saved by buying the items on sale (including tax) ?