30% of the sixth grade is eleven years old. if there are 90 eleven years olds, how many total students are in the sixth grade?

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t