What is the volume of this figure?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog