Bill can mow his mother's lawn in 45 minutes. his brother jim can mow it in 65 minutes. how long will it take them to do it together, if each has his own lawnmower? (record your answer in minutes rounded to one decimal place.

It's 7 o'clock in the morning, you are still sleeping in bed and you hear your friends knocking at the door to have breakfast with you. In your house you have coffee, milk, chocolate, mozzarella and jam. What is the first thing that you open?

Eighteen is 40 percent of what number

Which inequality is equivalent to - 6x ≥ 30?

You cut vegetables for a stew. You have 7/8 cup carrots 1/3 cup onion10s and 1/2 cup peppers. About how many cups of vegetables do you have in all?

Which of the following is the inverse of y=6^x?

Leo's family keeps recyclables in a cylindrical trash can. Today Leo bought a larger can with a radius and height that are twice the radius and height of the old can. Leo claims the new and old cans are geometrically similar figures.

The value of Maggie's car decreased by 30% since last year, when she bought it. If the car is now worth $17,000.00, how much was the car worth when she bought it?

The base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches, Find the area of the rectangle

A ball is thrown from an initial height of 7 feet with an initial upward velocity of 28/fts. The ball's height h (in feet) after t seconds is given by the following. = h+7-28t16t2 Find all values of t for which the ball's height is 15 feet.

The sum of two twin primes is 60. What are the numbers