Nora makes $3000 a month. the circle graph shows how she spends her money. how much money does nora spend on each category?
a. rent
b. food
c. medical
d. clothes
e. miscellaneous

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Using elimination, what is -4x+2y=-12 4x+8y=-24