Mr. Ruiz reads that 408 students are in middle school take the bus. Bus riders represent 60% of the total number of students. What is the total number of studebts at middle school.

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125