Simplify: x^0y^-3/x^2y^-1

a.) 1/x^2y^2
b.) y/x^6
c.) 4y^3/x^3
d.) y^3/2
i don't understand

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Find the missing factor. write your answer inexponential form.9^2=9^4×