What number needs to be added to make a mean of 80 with the numbers 71 80 and 86

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?

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?

Tanya has a rectangular plot of land in her backyard where she is building a dog house. The area of the rectangular plot of land is 9/16 of a square yard, and the width is 5/8 of a yard. What is the length, in yards, of the rectangular plot of land?