Ellen drove 357.3 miles. for each gallon of gas, the car can travel 21 miles. select a reasonable estimate of the number of gallons of gas Ellen used.

40% of her class is made up of girls. How many girls are in Ms. Kim's class?

Use the distributive property to rewrite the expression - 1/2 (4x-16y+10z).

Joe is a project manager in an IT company and has over the years, gained substantial knowledge in his area of work. However, while managing his team, he often loses his temper.

About 4/5 of the weight of a pineapple is water. About how much water would you expect to find in 2 1/2 pounds of pineapple?

A map has a scale showing 3 inches represents 11 km. How many miles apart are the cities that are 9.7 inches apart?

N the balmer-rydberg equation, what value of m is used to determine the wavelengths of the balmer series? express your answer as an integer.

The table lists recommended amounts of food to order for 25 party guests. Nathan and Amanda are hosting a graduation party for 40 guests. They know there will also be guests stopping by who may have come from other parties.

The two-way table shows the number of books of each type in Eliza's home. What is the probability that a randomly selected reference book is hardcover? 0.25 0.4 0.6 0.75

Simple interest = P * r * t Perry earns 5 percent simple interest annually on his savings account. How much interest will Perry earn each month on $650?

A pie is cut into two equal pieces. Each of the pieces was cut into halves again and each of the smaller pieces was cut into two equal pieces. If two of the pieces of the pie are eaten what portion of the pie remains?