How do you know that two expressions are equivalent?

One method for estimating abundance of animals is known as line-intercept sampling. The theory of this method, when applied to Alaska wolverines, predicts that the proportion p equals. 453 of attempts to locate wolverine tracks should be successful.

What is the measure of C to the nearest whole degree?

Mary has a collection of nickels and quarters for a total value of $4.90. If she has 42 coins total, how many of each kind are there?

Cyclists were 2/3 finished with their ride when they reached the 18 kilometer mark how long was the ride

There was daylight for 16 hours what percentage of the day was dark

He measured the height of the box to be 7 in. Then, Stephan drew a line from the center of one of the hexagons to each of its vertices and noticed that all the triangles he created have a height of 9 in and a base of 10 in.

Assume that 0 < x < π/2 and 0 < y< π/2. Find the exact value of sin (x - y) if sin (x) = 4/9 and sin (y) = 1/4

A hockey game between two teams is 'relatively close' if the number of goals scored by the two teams never differ by more than two. In how many ways can the first 12 goals of a game be scored if the game is 'relatively close'?

What percent is 7.2 of 19.5

What number is 100 times as great as 0.3