Erin's piggy bank contains $2; and she plans to add $0.50
each week. Jen's piggy bank
contains $10.75 and she
plans to withdraw $0.75
each week. After how many
weeks will the piggy banks
contain equal amounts of
money?

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

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 length and width of a 84.5 square foot rug? will mark