A telephone pole casts a shadow 8 ft long when the sun's rays strike the ground at an angle of 50° Approximately, how tall is the pole?
A. 5.14 ft
B. 6.13 ft
C. 6.71 ft
D. 9.53 ft

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

If a is a nonzero real number then the reciprocal of a is