What is the simplified form of (9c^-9)^-3? A. 9c^27 B. 1/729c^27 C. 729c^27
D. 9/ c^27

Don't know how to find x given these segment lengths

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.