Semester Review

Bag A contains 9 red marbles, 3 green marbles, and 4 blue marbles. Find the probability of selecting a green marble.

• 9/16

• 3/16

• 4/16

• 12/16

What is the probability of spinning an even number on a spinner with the values 1-10?

• 2/5

• 1/10

• 6/10

• 1/2

Suppose we have 4 people (A, B, C, D). There are 4 seats for them to sit at. How many different ways can they sit?

• 2!=2

• 3!=6

• 4!=24

• 4 ways

What is it called when points lie on the same line.

• Midpoint

• Point

• Collinear

• Coplanar

• 50

• 58

• 115

• 226

• x=77

• x=7.5

• x=8

• x=18

• x=8

• x=6

• x=4

• x=2

What is the midpoint between (3, -1) and (7, -5)

• (5, -2)

• (10, -6)

• (5, -3)

• (2, -2)

If the m∠7 = 115°,

find the measure of ∠2.

• 115

• 65

• 180

Solve for x

• 74

• 148

• 90

• 37