A pumping system for a plant has a failure rate of 0.25 per year and a mean repair time of 72 hours. If two systems are put in parallel, the resulting availability is:

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?