X _> 15
x < 10
find interval notation
ASAP PLEASE HELP

If the value of cos330°is√3/2 then find cos 165°.

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle