Which one of the following statements expresses a true proportion?

A. 3:4 = 9:12 B. 54:9 = 6:3 C. 2:1 = 1:2 D. 7:9 = 8:9

The ratio of men to women working for a company 3 to 5. If there are 51 men working for the company, what is the total number of employees? ... ?

Line segments that have the same length, or angels that have the same measure are

The radius, r, of a sphere is 4. 3m Calculate the sphere's volume, v. Use the value 3.14 for sqaure, and round your answer to the nearest tenth. (Do not round any intermediate computations.)

How many year are in 6 decades

What is the nth term for 4,9,16,25,36

2.105 x 10^6 in standard notation

A) Has an initial value (y-int) of (0, 3) and a multiplier of 1.5

Which number would not be in scientific notation? 4.5 x 10^4 6 x 10^7 12.5 x 10^3 4.2 x 10^-8 2.355 x 10 ^5 0.45 x 10^3

Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute and Gear Q makes 40 revolutions per minute.

There are over 2,700 species of snakes in the world. Over 600 species are venomous. Write the fraction of species that are not venomous as a decimal