If an area in the form of a circle is to be roped off by a rope 10 m long, what will be the radius of this area? round your answer to two decimal places.
a. 0.31 m
b. 1.59 m
c. 2.56 m
d. 3.18 m

Is a positive integer raised to a negative power always positive

Find the commission on a $590.00 sale if the commission is 15%.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?