Add 1/4 + 1/5
9/20
What is the perimeter, in feet, of a rectangle whose length is twice its width and whose width is 5 feet?
30 feet
What is the greatest common factor of the polynomial?x5 y2+ x2y7z
x2y2
Solve 56 − 7x = 2 for x.
54/7
A line with slope 3 passes through the point (0, 10). What is the y-coordinate of the point on the line with x-coordinate 2?
16
Which fraction is the largest?
1/2
13/30
8/15
7/15
17/30
17/30
Simplify. 5(5 − 2x) − 2(4 − 3x)
17 - 4x
Simplify. (−6x4) 2
36x8
Solve 1/3x - 2/3 = 4 for x.
14
The graph of the line with equation y = 7x + 8 crosses the x-axis when x = ?
x=-8/7
Simplify (-6)2 - 42
20
If a man walks at the rate of 2 feet per second, how many minutes will it take him to walk 4320 feet?
36 minutes
Subtract (r/x) − (3s/y)
(ry-3sx)/(xy)
Solve 9x + 8y = 36 for x.
x = -8/9y + 4
x + 4y = 1
-x + y = 4
What is the x- coordinate of the solution?
-3
Find the value of (x - y)/(x) when x=-2 and y=-3
-1/2
A buyer purchases 20 percent of the 12000 widgets in a warehouse’s inventory. The next day, another buyer purchases 10 percent of the remaining widgets. How many widgets are left in the warehouse?
8,640 widgets
Multiply. 2(4x + 2)(x − 1)
8x2 − 4x − 4
An eastbound car is going 4 miles per hour faster than a westbound car. The cars are 208 miles apart 2 hours after passing each other on a highway. What is the speed, in miles per hour, of the eastbound car?
54 mph
Solve 2x + 4 > 8x − 8 for x.
x<2
Find the value of x3 +x2 − 3x when x = −2
2
What is the area of the triangle whose vertices are (−4, 0), (−10, 0) and (−7, −6)?
18
Multiply. 4x (x − 1)2
4x3 − 8x2 + 4x
Simplify. (6x8 − 2x2)/(2x2)
3x6-1
One solution of x2 − 5x − 1 = 0 is
(5 - sqrt(29))/2