A certain type of car has room for 4 passengers. 1. Write an equation relating the number of cars (n) to the number of passengers (p).
2. How many passengers could fit in 78 cars?
3. How many cars would be needed to fit 78 passengers?

Describe what moves you could use to create the transformation of the original image shown at right

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.