Dadas as alternativas abaixo marque aquela cuja expressão algébrica representa um TRINÔMIO. * 8x³+y²+z+10 8x³y²z 8x³ + y² +z 8x³y²+z

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.

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?