Write and solve an equation. on monday anna picked some apples. on tuesday she picked 15 more apples than on monday. if anna picked 32 apples on tuesday, how many apples, a, did she pick on monday? solve for a.

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.

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Simplify the following expression 48^1/2