Find the volume of a sphere with radius 9 yd. a. 3,829.7 yd3 b. 3,052.1 yd3 c. 381.5 yd3 d. 339.1 yd3

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. fifty-nine wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, σ can be assumed to be 245 cm/sec. (a) find a 95% confidence interval for the population mean wind speed at this site. (round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec