Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 140 foreign coins.

The least common denominator of two fractions is 100. If you subtract the two denominators, their difference is 5 What are the denominators?

For Madeline's lemonade recipe, 3 lemons are required to make 6 cups of lemonade. At what rate are lemons being used in lemons per cup of lemonade? Express your answer in simplest form.

A TV screen is 15 inches high and 20 inches wide. Write each ratio. A. Height to width B. Width to height

Outta Luck Towing Company charges $50 to hook a vehicle to the truck and $2.75 for each mile the vehicle is towed. Write an equation that best represents the relationship between the number of miles towed, m, and the total charges, c?

The function f (x) = - a^x+4 will never cross the x axis

A rectangle with a length of 6 inches and a width of 1 foot has a perimeter of 14 inches. True False

You have a roll of string that is 60 meters long. Which BEST approximates the number of yards of string on the roll? (1 yd = 0.9144 meter) A) 50 yards B) 60 yards C) 66 yards D) 98 yards

In a college of exactly 2740 students, exactly 55 % are male. what is the number of female students? express your answer as an integer.

What is the sum of 2/3 and 3/4

A scientist is working with 0.7m of gold wire. How long is the wire in millimeters? Be sure to include the correct unit in your answer.