On a cruise, 80% of the passengers are staying in "economy" rooms. If there are 320 passengers in "economy rooms, how many total passengers are on the cruise?

To estimate the proportion of city voters who will vote for the Republican candidate in the election, two students, Manny and Nina, each decide to conduct polls in the city.

Write as a mixed number to the lowest terms 9 1/4 - 6 2/3 what is the answer?

Solve (4x2 - 1) (x + 2)

A vehicle purchased for $20,700 depreciates at a constant rate of 7%. Determine the approximate value of the vehicle 15 years after purchase. Round to the nearest whole dollar.

Slope 2; passing through (4,12) ?

The sum of 3 consecutive integers is 84. find the numbers

30% of 500 round to the nearest hundredth

How do I find the area of a triangle with the side being 12

The interquartile range of a data set is 10 units. What does this represent?

2k-12-2=-4 what does k equal i think its 10 but im not sure