Which function has a range of (- π/2, π/2) ?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet