Three friends own a landscaping business. the number of hours each friend worked on the same project is shown in the table below. edgar: 17 1/4 hours kelly: 18 1/4 hours shawn: 14 1/2 in total, they earned $850 for the job. they put 15% of this amount into a joint savings account for future expenses. they then decided the rest of proportionally based on the number of hours worked. how much money did shawn receive?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Someone me what is the area of this figure? 18m 18m 8m 16m

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?