Which of the following proportions are true

1:4 = 2:5

6:9 = 10:12

5:11 = 15:30

2:7 = 4:14

Ted is 6 ft 4 inches tall. Lisa is 5 ft 7 inches tall. How much taller is Ted?

How do you solve + 5=-5a+5

It took max 5 min to type 410 words. How many words per min does max type?

The diameter of a circle is 6 yards. What is the circle's area? d=6 yd Use 3.14 for .

List the 10 possible samples (without replacement) of size 22 that can be obtained from the population of five officials.

A box of marbles can be equally shared among 6,7,8 students with 4 marbles left over each time. What is the least possible number of marbles in the box?

What is 37 1/2% of 24,000

A study was done on the timeliness of flights (on-time vs. delayed) of two major airlines: StatsAir and AirMedian. Data were collected over a period of time from five major cities and it was found that StatsAir does better overall (i. e.

3x-6y=6 in function notation

If i √ 1 what is the value of i 2