Determine whether the system is consistent, inconsistent, or dependent.
3x  3y = 9
9x  9y = 27
The amount of revenue a company makes per day by selling x items is given by the function f(x) = 14x  0.2x2. How many items should be sold if the company wants to maximize their profit?
Classify the triangle according to sides and angles.
The difference between the ages of two friends is 37 years. The sum of their ages is 55 years. Find the age of the older friend.
Find the perimeter.
Adult tickets for a play cost $19 and child tickets cost $17. If there were 36 people at a performance and the theatre collected $646 from ticket sales, how many children attended the play?
Identify the quadrilateral.
Find the slope of the line passing through the points (7, 0) and (0, 10).
Find the vertex of the parabola.
y = 2x2 + 12x  13
Which of the following is not a way to name the angle shown?
Identify angles 2 and 7 as alternate interior, alternate exterior, corresponding, or vertical.
Find the slope of the line passing through the points (10, 0) and (0, 3).
Identify angles 6 and 7 as alternate interior, alternate exterior, corresponding, or vertical.
Find the circumference of the circle. Use ? = 3.14.
Find the slope of the line passing through the points (3, 10) and (4, 5).
Identify angles 4 and 5 as alternate interior, alternate exterior, corresponding, or vertical.
Carla invested $23,000, part at 16% and part at 15%. If the total interest at the end of the year is $3,500, how much did she invest at 16%?
Determine whether or not the relation is a function.
{(1, 9), (2, 10), (3, 11), (4, 12)}
