The current on the Mississippi River is a constant 4 miles per hour. A paddleboat travels 48 miles upstream in the same amount of time that it takes to travel 72 miles downstream. Find the speed of the boat in still water.

75 percent decrease followed by a 50 percent increase

Max surveyed students on his website and asked each to select 1 favorite after school activity. 18% of all students surveyed said that they would watch movies.

The largest and smallest of three consecutive terms in an arithmetic sequence differ by 14. half of the smallest term is added to each term and the sum of the resulting three numbers is 120. what is the value of the original smallest term?

Read 2/3 pages in an hour how long would it take to read 20 pages

Walmart sells a case of 24 cans of diet coke for $6.88. Publix sells a 12 pack of diet coke for $3.99. Which is the best buy?

6. How many positive integers not exceeding 1000 are divisible by 3 or 5 or 7?

bob has $830 in an account earning 5.3% simple interest. how much more interest would her account earn in 9 years with annually compounded interest?

For the quadratic equation x2 + 2x + 8 = 0, find the value of the discriminant. Then, describe the number and type of roots for the equation. Finally, find the exact solution of the equation by using the Quadratic Formula.

Shawn placed 18 weights on a scale during science class. If each weight weighed 0.1 grams, what did the scale read?

Solve 12: (-2) x 3 - (-2)