Csc theta = -8/5 what is theta in radians?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?