A hiker starts hiking in Death Valley at an elevation of 143 feet below sea level. He climbs up 435 feet and enjoys the view. Then he climbs up another 267 feet. What is his new elevation relative to sea level?

Select the lengths in centimeters that would form a right triangle

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft