How do i solve 7x-y=21

Five people per 1000 square feet are allowed to enter a building Whose total dimensions is 180,000 square feet How many people can be in the building at one time

Anonymous 4 years ago The sides of a triangle measure 14.9 centimeters, 23.8 centimeters, and 36.9 centimeters. Find the measure of the angle with the least measure.

4 (11 + 7) divide (7-5)

2. What would be the probability that randomly choosing four states from the top 7 murder states would actually be the top 4 states for murders in the United States in exact correct decreasing order?

From the 12 albums released by a musician, the recording company wishes to release 3 in a boxed set. How many different boxed sets are possible, assuming that the order in which the albums are chosen for a boxed set is irrelevant?

Lynne used 8/3 cup of flour and 3/1 cup of sugar in a recipe what number is a common denominator for 3/1 and 8/3

Write a function for "The output is seven more than the input"

After attending a church cookout, a number of the attendees are admitted to the emergency room with nausea, vomiting, and diarrhea.

Antonio needs 8 feet of ribbon to complete a project. He can purchase a 180-inch (15-foot) packaged length for $3.99, or he can buy the ribbon by the foot for $0.39/ft. Which is the better deal for Antonio?

Edward walked 3/4mile from his home to the park. Then he walked 2/4 mile from the park to the library. which distance is shorter?