49 which two inequalities can be used to solve the inequality |3x - 7| < = 15i. 3x – 7 ≤ -15 ii. 3x – 7 ≤ 15 iii. 3x – 7 ≥ -15 iv. 3x – 7 ≥ 15 answers: i only ii only i and iii ii and iii

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.)

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Which of the following expressions is equal to 2x^2+8