Expressions & Equations
Simplify the expression: 7x + 4 - 2x
5x + 4
If you toss a coin and roll a number cube, what is the probability of getting heads and rolling a 3?
1/6
What is the sum of angles in a triangle?
180
Expand the expression: 3(2x + 5)
6x + 15
A bag contains 4 red, 3 blue, and 2 green marbles. What is the probability of drawing a blue marble and then a red marble without replacement?
1/6
In a quadrilateral, the measures of two angles are 80° and 100°. Find the measures of the other two angles.
180
Combine like terms: 2y + 3 + y - 6
3y - 3
If you spin the spinner twice, which has 6 equal sections labeled 1 through 6, what is the probability of spinning an odd number both times?
1/4
If two angles are complementary and one angle measures 30°, what is the measure of the other angle?
60 degrees
Solve for x: 2(x - 1) = 10
x = 6
In a deck of cards, what is the probability of drawing a red card or a face card?
38/52....19/26
Solve for x: 2x + 20 = 180
x = 80
Factor out the greatest common factor (GCF) of 4x - 8.
4(x-2)
If you flip a coin and roll a number cube, what is the probability of getting tails and rolling an even number?
1/4
If two angles are supplementary and one angle measures 120°, what is the measure of the other angle?
60 degrees