A study of fish is being conducted in a pond. They marked 30 fish and released them. The next day, they counted 75 fish, 25 of them which had been marked. Find the best estimate of fish population in he pond.

An alligator can run at a speed of 13 ft./s on land at this rate how far can it run in three seconds?

What does 5/4x = 1/2

Design a rectangular milk carton box of width $$w, length $$l, and height $$h, which holds $$128 cubic cm of milk. The sides of the box cost $$1 cent per square cm and the top and bottom cost $$2 cents per square cm.

Factor completely. 4x^2+16x+15

What is the solution to the system of equations x = y + 4 2x - 3y = - 2

Write the equation of the line in slope-intercept form. perpendicular to y = 2x+6 and passing through (-4,2)

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?