19. Which one of the following statements expresses a true proportion?

A. 3 : 5 = 12 : 20

B. 2 : 3 = 3 : 2

C. 42 : 7 = 6 : 2

D. 14 : 6 = 28 : 18

Find the range for these numbers. 12, 9, 24, 24, 37, 18,9,6, 24 A. 6 OB. 18 O c. 24 OD. 31 O E. 37

Simplify: 1 3 (6ab - 9b) 2 3 (9ab 12b)

In the number 8,888.888, how does the 8 in the hundredths place compare to the 8 in the place to its left? A. The 8 in the hundredths place represents of what the 8 to its left represents. B.

5x and 7k are examples of

The frequency of A4 is 440.00 Hz. what is the frequency of A6, which is two octaves above A4?

What is my number? Clue 1 My number is a multiple of 2 and 7. Clue 2 My number is less than 100 but greater than 50. Clue 3 My number is the product of three different prime numbers.

Using radians, find the amplitude and period of each function. 1) y = 1/2 * cos 2θ + 1 2) y = 1/9 * sin 4θ + 5

Find the given value of the function. 1 w (t) = 3t - 1; t = 3

Wes rode his bike 30 miles in 3 hours. What was his average rate of speed?

Simplify - 6+[4 - (*-2) ]