There are 15 balls in a box: 8 balls are green, 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. What is the probability that a blue ball is selected at random from the box?

Select one of the following:

3/13

4/13

3/15

4/15

2/13

Explanation

Question 2 of 10

1

The length of a rectangle is 3 times its width. If the width of the rectangle is 5 inches, what is the rectangle's area, in square inches?

Select one of the following:

15

75

40

30

20

Explanation

Question 3 of 10

1

If the hypotenuse of a right triangle is 10 inches long and one of its legs is 5 inches long, how long is the other leg?

Select one of the following:

5

10 - √5

75

5√5

5√3

Explanation

Question 4 of 10

1

A circle with center (4,-5) is tangent to the y-axis in the standard (x,y) coordinate plane. What is the radius of this circle?

Select one of the following:

4

5

√(41)

16

25

Explanation

Question 5 of 10

1

Angle A is an acute angle and sin(A) = 11/14. What is the value of cos(A)?

Select one of the following:

3/14

√3 / 14

5√3 / 14

√(3/14)

5/14

Explanation

Question 6 of 10

1

What are the values of a and b, if any, where - a|b + 4| > 0?

Select one of the following:

a > 0 and b ≠ -4

a > 0 and b ≠ 4

a < 0 and b ≥ -4

a < 0 and b ≠ -4

a < 0 and b ≤ -4

Explanation

Question 7 of 10

1

In a shipment of televisions, 1/50 of the televisions are defective. What is the ratio of defective to non defective televisions?

Select one of the following:

1/200

50/1

49/1

1/50

1/49

Explanation

Question 8 of 10

1

Which of the following is divisible (with no remainder) by 4?

Select one of the following:

214133

214395

952217

322569

510056

Explanation

Question 9 of 10

1

If 8y = 3x - 11, then x =

Select one of the following:

(88/3) y

(8y + 11)/3

(8y - 11)/3

(8/3) y - 11

(8/3) y + 11

Explanation

Question 10 of 10

1

Which of the statements describes the solution set for -2(x + 8) = -2x + 20?