What's cos 19 pi / 12

What are three ratios for 6/7

A manager has 2500 kg of sand delivered to a construction site everyday. About how many tons of sand does he have delivered to the site after 4 weeks? 1 ton = 907.2 kg

Shania is making a scale diagram of the badminton court at the community center. She uses a scale of 1 centimeter to 0.5 meter to draw the scale diagram. If the scale length of the badminton court is 26.8 centimeters and the scale width is 12.

Oksana is working to solve the equation 13x = - 14x - 10.1. Add 14x to both sides: 14x + 13x = - 102. Find a common denominator: 312x + 412x = - 103. Combine the terms: 712x = - 10 What should she do next?

Stephanie is reading a 456-page book. During the past 7 days she has read 168 pages. If she continues reading at the same rate, how many more days will it take to complete the book?

Michael Johnson ran the men's 200-meter race in nineteen and thirty-two hundredths seconds. Which number shows the time?

Jack has a square garden in front of his house. The garden has an area of 66 square yards. Find the length of each side of the garden. Round your answer to the nearest tenth of a yard. 1. 8.2 yards 2. 8.1 yards 3. 8.3 yards 4. 8.4 yards

What values of a and b make the equation true square root of 648 equals square root of 2^a times 3^b

The length of a the hypotenuse of a 30°-60°-90° triangle is 9. Find the perimeter.

For a diffraction horn loudspeaker, sound emerges through a rectangular opening. The opening of a diffraction horn has a width of 0.12 m. If the speaker emits a continuous tone with a wavelength of 0.09 m, at what angle does the first minimum occur