Harry earns a basic wage of $300 per week and receives commission on all sales. Last week he sold $20,000 worth of goods and earned $700. What is Harry’s rate of commission?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?