You get tired of the sand and head up to the amusment park you can purchase 20 ride tickets for $14 or 30 ride tickets for 22.50 which is the better deal

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

If value of cos330° is √3/2 then find tan165°.