It takes 24 feet of fence to surround a square piece of land in linda’s backyard. linda wants to plant flowers everywhere but on the diagonal sidewalk. there is 1 foot of sidewalk along two sides of the square. what is the area of the sidewalk? (a) 5 ft2 (b) 5.5 ft2 (c) 6 ft2 (d) 6.5 ft2 (e) 7 ft2

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

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.

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place