Mrs Wood forgot her car keys, so she called up to her friend to drop her keys out the window 75 feet above ground. If Mrs Woods hand is 3 feet above the ground when she Catches it, how long does it take for her to receive her keys?

What are the sotions to the quadratic equation 9x^2=4

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )