Darla is 3 times as old as her sister julia. write an algebatic expression for darlas age. let julas age = x

Franco read 3/8 of a chapter of his history book in 1/5 of an hour. At this rate, how many chapters of his history book can he read in 1 hour?

Which statements are true about the interquartile range? Select all that apply. Subtract the lowest and highest values to find the interquartile range. Interquartile ranges are not significantly impacted by outliers.

What is the value of each 5 in 35252

The late fee for a library book is $2.00 plus 15¢ each day for a book that is late. If Monica's late fee is $2.75, write and solve a linear equation to find how many days late her book is

Soda Tak claims that Diet Tak has 40mg of sodium per can. You work for a consumer organization that tests such claims. You take a random sample of 60 cans and find that the mean amount of sodium in the sample is 41.9mg.

Round 3,989.23655 to the nearest thousandth.

The experimental probability that Pedro will hit a hole in one at the golf course is 2/5. If Pedro goes golfing 40 times in a year, how many times can he expect to hit a hole in one?

What is the greatest common factor and least common multiple of 45 75 and 90?

A solid has 20 faces and 12 vertices. How many edges does it have?

A driver fills up his car's tank with 21 gallons of gas. After he drives 300 miles, he stops for fuel, and 12.5 gallons are needed to fill the tank. How many miles per gallon did he get?