Visitors to a state park may choose to pay an extra dollar to help support the park. Money raised from this program will be spent in this way 35% will be spent on tree planting, 25% will be spent on visitors information services, and the rest will be spent on safety improvements.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

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?