Jennifer is saving money to buy a bike. the bike costs $245. she has $125 saved, and each week she adds $15 to her savings. how long will it take her to save enough to buy the bike?
- use algebra not multiplying.

What would the rule be for the reflection of y=-3

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 : )

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.