Which one of the following statements expresses a true proportion?

A. 2:1 = 1:2

B. 7:9 = 8:9

C. 54:9 = 6:3

D. 3.4 = 9:12

What is the length of a phone call that would cost the same no matter what company is used? Company A - 0.35cents plus 0.3cents per minute Company B - 0.45cents plus 0.2cents per minute

What is the solution to the proportion? 7/8=n/32 A. n=1.75 B. n=14 C. n=21 D. n=28

Charles earns 15 dolars hourly and works 35 hours weekly. how much monthly rent can he afford

Mason says that (12x + 4) - (-3x + 5) and 15x - 1 are equivalent. Is he correct? Explain

Enrollment at high school is changing at a rate of - 15 students per year. At that rate how long will it take for the change in the schools enrollment to be - 75 students?

Which equation has a constant of proportionality equal to 4? A.) 4y=4x B.) 4y=12x C.) 3y=4x D.) 3y=12x

Squawk, a social networking site, sent out a survey to participants at a technology conference. One of the questions in 2016 was, "Do you watch the nightly news?" More than 2,350 people responded, with 42% responding yes.

If g (4) = 16, g (5) = 18, g (6) = 20, then g (3) = ?

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665