Does the equation represent a direct variation? If so, find the constant of variation.

4x - 5y = 0

a. yes; k = - 5 b. no c. yes; k = 4/5 d. yes; k = - 4

A certain brand of coffee comes in two sizes. An 11.3 - ounce package costs $2.88. A 27.8 - ounce package costs $6.48. Find the unit price for each size. Then state which size is the better buy based on the unit price.

What is the slope of a ramp that rises 6 inches for every horizontal change of 12 inches? 1) 2 2) 1/6 3) 1/2 4) 1/12

Graph below displays the distance from Luis' home as he walks his dog in his neighborhood. Describe the change in the distance from his home over time. (Example 1) The

Write two expressions to represent the following situation. Then, find the answer. When Nathan went to bed, the outside temperature was 28°F. When he woke up the next morning, the temperature had decreased to - 13°F.

What is the coterminal angle of 330 degrees

painted a fence that was 84 meters long. She was able to paint 4 meters per hour. How many meters of fence were left after Alyssa had been painting for 6 hours?

You want to know how long it will take to get to the town of Fondue Ville on your bike, which is 84 km away. You travel 12 km every 30 minutes. How many minutes will it take you to arrive there?

2 over w =.4 over. 7

The bird population on an island is declining at a rate of 2.2% per year. The population was 3500 in the year 2009. Which answer is the best prediction of the population in the year 2014? A 2730 B 3062 C 3132 D 3423

Drew adds 1/2 cup of wheat flour and 2 3/4 cup of white flour to his muffin batter. how many cups of flourdoes drew add A 1 1/4 B 2 2/3 C 3 1/4 D 3 3/4