Cari compró 4 remeras una Pollera y una campera por La campera pagó $2460. La pollera costaba la tercera parte de lo que costaba La campera y cada remera la mitad de lo que costaba la pollera ¿cuánto gastó en total?​

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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.

For the inequality |c| < |d| to be true, which of the following must be true?