Irma works for a service that delivers groceries and pet supplies. She earns a base monthly salary of $1,900. In
addition, she gets a commission of 1.8% of the cost of
each grocery order, plus a fee of $11 for each delivery of
pet supplies.

A. How is calculating Irma's total annual earnings different
from calculating earnings based on salary and commission?

B. Last month Irma's deliveries consisted of $33,600 in
groceries, and she made 140 deliveries of pet supplies.
How much does Irma earn in total for the month?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.