What are supplementary angles?
Express 96 : 72 in simplest form
4 : 3
Write 0.085 as percentage
8.5%
Simplify:
7x - 13y - 3x + 5y
4x - 8y
Solve for x:
-2x = -16
x = 8
Formula for the area of parallelogram
What is A = bh ?
18 : 30 = 24 : x
x = 40
Write 7/40 as a percentage
17.5%
Simplify:
(-2a)(-6a)
12a2
Solve for x:
3x - 7 = 5
x = 4
Angles which add to 180 degrees when the transversal intersects parallel lines
What are co-interior angles?
Divide 400 into the ratio 3 : 7.
120 : 280
Find 40% of 200.
80
Simplify:
3(3x - 2)
9x - 6
Solve for x:
x/3 - 6 = 4
x = 30
Angles between 180 and 360 degrees
What are reflex angles?
You split $72 between your three friends 2 : 3 : 4. How much does each friend get?
16 : 24 : 32
Find 72% of a quantity is 11% is 55.
360
Simplify:
-2(x - 1) - 3(5 - x)
x - 13
Solve for x:
19 - 4x = -1
x = 5
Three or more lines intersecting at one point
What are concurrent lines?
The fence is 15 m long. How many centimeters would it be on a map with a scale of 1 : 250?
6 cm
I bought a bicycle for $640 and sold it for a profit of 20%. Find the selling price.
$768
Simplify:
(x - 4)(x + 7)
x2 + 3x - 28
Solve for x:
2(3 - x) - 3x = 11
x = -1