A biologist pollster asks people what their favorite TV show is. This is an example of what kind of statistical study:

1. Experiment

2. Observational Study

3. Survey

What is the sum of r + s, when r = - 14.1 and s = 18.3?

2. One slice of cheese pizza contains 290 calories. A medium-size orange has one fifth that number of calories. How many calories are in a medium-size orange?

Distinguish between expressions and equations algebraically, by providing an example of an algebraic expression and an example of an algebraic equation.

Choose the correct simplification of (4x - 3) (3x2 - 4x - 3). 12x3 + 25x2 + 9 12x3 - 25x2 - 9 12x3 + 25x2 - 9 12x3 - 25x2 + 9 Choose the correct simplification of (4x - 3) (3x2 - 4x - 3).

An oceanic island has 15 species of birds on it. Nearby, a new island is formed by volcanic activity. Since this new island is somewhat smaller than the original island, biogeography theory that it can support 8 species of birds.

18. What is the area of a piece of garden plot 5 yards 2 feet long by 6 yards 1 foot wide? Give your answer in square feet. O A. 270 square feet O B. 49 square feet O C. 323 square feet O D. 70 square feet

1 over 4 + 1 over 10

Emade There are 666 students going to a trivia competition. If each school van can hold 6 students, how many vans will they need?

Events A and B are mutually exclusive. Also, P (A) = 0.25 and P (B) = 0.35. What is P (A or B) ? A. 0.25 B. 0.6 C. 0.1 D. 0.35

Which of the following is the factored form of the given equation? 6x 2 + 2x - 8 = 0