1.) find tan θ, given that sin θ = -4/5 and cos θ > 0.
a.) -5/3
b.) -4/3
c.) 3/5
d.) 5/4
i got 4/3, but that's not an option.

2.) suppose θ is an angle in standard position with cos θ > 0. in which quadrants could the terminal side of θ lie? select two answers.
a.) i
b.) ii
c.) iii
d.) iv

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.