A biologist is researching the population density of salamanders near a pond. The biologist counts 152 salamanders within a radius of 12 mi of the pond.

What is the population density of salamanders?

The ant hill is 19.5 cm tall. If 1 cm equals 10mm, how many mm tall is the ant hill?

To build the base, he needs to cut a 8.5 foot plank into 4 equal pieces. How long will each piece be?

Given that the contracts are awarded independently, find the probability that the company will get both contracts. recall p (large) equals 0.31 and p small equals 0.64.

There is a sales tax of $25 on an item that costs $310 before tax. the sales tax on a second item is $10. how much does the second item cost before tax?

What is the percent change of 36; 63

The equation A = x (x-4) describes the area, A, of a rectangular flower garden, where x is the width in feet. What would be the width in feet of the flower garden if the area is 12 square feet? A. 2 B. 6 C. 4 D. 7

Which explains whether Trina is correct

There are 6 cars traveling together. Each car has two people in front and three people in back. Explain how to use the situation to illustrate the distributive property.

Select the correct answer. Consider the function below. x - 1 0 1 2 f (x) - 2 3 8 13 Which of the following functions could be the inverse of function f?

You want a snack. One cookie has 130 calories. An orange has 35 calories. What is the ratio of the calories in an orange to the calories in the cookie?