You are saving up to buy a camera, which costs $490. so far, you have saved $175. You would like to buy the camera in three weeks, which inequality represents how much money you have to save each week.
x ≥ $155
x ≤ $105
x ≤ $155
x ≥ $105

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5