Are the ratios proportional?

2/7 and 6/21

What is - a-5/4 (-8/3a+1)

Barry has 4 wooden identically shaped and sized blocks. 2 are blue, 1 is red and 1 is green. How many distinct ways can barry arrange the 4 blocks in a row? Barry's friend Billie is colour-blind and cannot distinguish between red and green.

The graph of f (x) = |x| is reflected across the x-axis and translated right 8 units. Which statement about the transformed function is correct? 1. The domain is the same as the parent function's domain. 2.

Find the volume of a right circular cone that has a height of 9 m and a base with a circumference of 19.6 m. Round your answer to the nearest tenth of a cubic meter.

Herb has sold 93, 30, 138 and 61 copiers in the last four months, respectively. How many copiers will he need to sell this month to maintain an average of at least 79 sales per month?

a large snow plow can clear the west main parking lot in 4 hours. A small snowplow needs more time to clear that lot. working together, they can clear the lot in 3 hours. how long would it take the small plow to clear the lot by itself?

Solve each equation. - 9X+1=-80

The thickness of a dollar bill is 0.00011 meter. use a single digit times a power of 10 to write a estimate of the thickness

The Temperature at 5:00 A. M. Is - 38 F. The temperature rises 20 by 11:00 A. M. Use addition to find the temperature at 11:00 A. M.

What conversion factor can be used to convert the number of blocks to the weight of the blocks, in pounds?