Ihave no idea how to do these:
1. what is the value of the missing angle?
a: 50
b: 60
c: 100
d: 240
2. what is the value of the missing angle?
a: 129
b: 153
c: 169
d: 720

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Find the dimensions of the circle. area = 64π in.² r= in.