Katherine invested $140. she earned a simple interest of 4%per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Katherine received at the end of two years?

2x+3=5x-42 what is the number that belongs in the green box

A firework rocket is shot upward at a rate of 640ft/sec. Use the projectile formula h = - 16t^2 + v0t to determine the times when the height of the firework will be 1,200 feet. Round your answer to the nearest whole number.

If the location you want to go is 270 miles away and you want to get there in 4.5 hours, at what constant speed do you need to drive?

Last weekend 80 people attended the school band concert, and of them stayed for the cookies and punch. How many people stayed for cookies and punch? 107 75 60 20

Which polynomial function has a leading coefficient of 3 and roots - 4, i, and 2, all with multiplicity 1?

To make hot chocolate, Raquel poured 3/8 cup of chocolate syrup into an empty mug then added 3/4 cup of hot milk. How much hot chocolate did Raquel make?

The total amount of weight on an airplane cannot exceed 2,500 pounds. The plane is carrying 1,750 pounds of luggage. The average weight of each passenger on the plane is 150 pounds.

Evaluate - 4x+y when x=5/4 and y=1/5. Write your answer as a mixed number in simplest form. When x=5/4 and y=1/5, - 4x+y = * blank* .

Ms. Smith saved $1520 in January. Her savings is 1/3 her monthly salary. In February she saved a certain amount of her monthly salary and spent $1000 more than the amount she saved that month. How much does she save in February?

5% converted into a decimal