1/Secx-tanx -1/secs+tanx
Need help really bad
It’s the second one

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

What is the sum of the first 8 terms of the geometric series