Which of the following sets of ordered pairs is a function?

a. {(01)}
b. {(03)}
c. {(04)}
d. {(04)}

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years