Which of the following equations represents a proportional relationship? Choose all that apply.

A. x=2y

B. a = 1/3b

C. 4x=y-2

D. 7/3x=n

E. 1/2=1/4

How do you prove a rectangle in geometry?

What does the acronym IRA stand for? O A. Internal revenue account O B. Indirect retirement account O C. Individual retirement account O D. Internal retirement account

Write this number in a scientific notation 931,000,000

Suppose that each of 200 students in a class selects a sample of size 500, and constructs a 95% confidence interval for the population proportion based on their sample.

Jehle buys and sells vintage clothing. She bought two blouses for $25 each and sold them for $38 each. She bought three skirts for $15 each and later sold them for $26 each.

The bacteria in an old piece of cheese is growing at a rate that can be modeled by y = 280 • 2x. Determine which number represents the growth rate.

Today's newspaper contains a 20%-off coupon at Old Army. The $100 jacket that you want was already reduced by 40%. What as the final price that you paid for the jacket

The length of the longest leg of a clock is 4 inches. Find the area of the clock.

Here is a set of data 3.9, 2.1, 0.8, 1.5, 4.1 A = calculate the mean B = each piece of data is increased by 5, calculate the new mean C = each piece of new data is now double, calculate the new mean

How do I turn2-1/2x=y into y=Mx+b