What is 68 rounded to the nearest tenth?

What is the mean of the following set of data? {6,9,3, 8, 9,3,4}

Three boards are placed end to end to make a walkway. The first board is 3 feet 10 inches long, the second board is 5 feet 11 inches long, and the third board is 3 feet 7 inches long. How long is the walkway?

Twice the difference of 3x and y increased by 5 times the sum of x and 2y

Determine the number of possible positive and negative real roots of the equation: x - 4x + 5x² + 9x² + 2x 8 a 2 or 0 negative roots; 3 or 1 positive roots b. 5, 3, or 1 negative roots; 4, 2 or 0 positive roots c. d.

A building contractor has a piece of crown molding that is 48 1/2 in. Long. He cuts off one piece measuring 10 1/4 in. and another piece of 2 ft and 1/8 in. How much crown molding does he have left?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.