The Dartboard has 8 sections of equal area. The letters represent the colors red (R), yellow(Y), blue(B), and green(G). Use the table to show the probability for a dart that hits the board at a random location.​

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.