Christina earns $20 per hour tutoring but will spend $30 on related expenses this month. The inequality 170≤20h−30≤200 can be used to find h, the number of hours she needs to tutor to earn between $170 and $200 this month. Which inequality represents the number of hours Christina needs to work?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Which expression converts 45 degree to radians

Which of the following is an equation of a line parallel to the equation y=4x+1?