Which pair of ratios form a proportion?

A.

3 : 4 and 4 : 5

B.

10 : 12 and 16 : 18

C.

7 : 10 and 10 : 14

D.

5 : 8 and 20 : 32

The ABC Automobile Company assembles cars, but buys it's parts from another company. The company buys tires from a wholesaler that ships the tires in containers that hold "t" tires.

Round0.00359 to nearest ten thousand

A hyena can run 1/4 of a mile in 22.5 seconds. At this rate, which equation can be used to determine how fast a hyena runs in miles per hour? A. 1/4 miles over 22.5 seconds=40 miles per hour. B. 22.5 seconds over 1/4 mile=40 miles per hour. C.

What is 2x - 1 < 7 and 5x + 3 < 3. ?

A quadrilateral has four congruent angles. Is the quadrilateral a parallelogram? Explain your reasoning.

Insert commas in the following numbers 13886 365 719463 40047209 2145739180 1783457

Write eighteen hundredths as a decimal.

What's 2+2 = ... ?

Find the product 2cd^4 (-4c^6d^5-c^3d)

The width of a room is 60% of the land is 10 feet what is the area of the room