In which situation are both the speed and velocity of the car changing?

a) the car turns left at 5 m/s

b) the car travels down a straight track at 30 m/s

c) the car travels around a circular track at 30 m/s

d) a car traveling at 30 m/s slows to 15 m/s and turns the corner

What is the number 321,000,000 in scientific notation? also what is the number? ?

In the geometric progression –3, 12, −48… what term is 3,072?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?