Find sin θ if cot θ = - 2 and cos θ < 0. a)-1/2
-b) -5
c) square root of five divided by two
d) square root of five divided by five

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

What is r i 4.5+10r=-6.5 with work pls