Anna has to straighten her arm from 90° to 118°. she can straighten itby about 12° every 3 days. how many days will it take to get to 118°?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?