Austin's school is 3 miles west of his house and 7 miles south of his friend Carson's house.
Every day, Austin bicycles from his house to his school. After school, he bicycles from his
school to Carson's house. Before dinner, he bicycles home on a bike path that goes straight
from Carson's house to his own house. How far does Austin bicycle each day? If necessary,
round to the nearest tenth.

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.

What is the slope of the line (-7,2) (4,6)

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000