A tree trunk has a diameter 50cm and a height 7.9m.

wirte down the ratio of the diameter to the height in its simplest form?

Find two numbers whose sum is 30, and whose difference is 26

A square has vertices (a, 0), (0, a), and (a, 2a) find the fourth vertex

Ms. Robinson gave her class 12 minutes to read. Carrie read 5 ½ pages in that time. At what rate, in pages per hour, did Carrie read?

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 42 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 13.38 inches B. 6.69 inches C. 6.25 inches D.

1. A store has a rectangular parking lot that is 120 ft by 100 ft. How many square feet of asphalt is needed to cover the parking lot? If each car space is 8 ft. by 12 ft., will there be enough room for 140 car spaces? Explain why or why not.

A city is growing at the rate of 0.3% annually. If there were 3,278,000 residents in the city in 1992, find how many (to the nearest ten-thousand) are living in that city in 2000. Use y=3,278,000/left (2.7/right) ^{.003t}

Jose pack54 CDs into smallboxes. Each box holdsome 9 CDS. how many boxes does jose pack to hold all 54 CDs

A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 4 hours, while the outlet pipe can empty it in 10 hours. How long will it take to fill the vat if both pipes are left open?

Convert 0.381 to a fraction in simplest form. show your work

The cost of 2 tv and 3 DVD player is $1421. The cost of 1 dvd is half of the tv. What's the cost of the tv