Vi walks five days each week. she walks the same distance on the first two days. on days three and four, vi walks twice as long as on the first two days. on day five she walks half as far as on day 1.if vi walks 13 miles each week how does she walk each day

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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.