Given the sequence 8, 16, 32, 64, ..., which expression would give the thirteenth term? 8 · 2 12
8 13
8 · 2 13

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?