What is 4x squares minus 81

There are two machines available for cutting corks intended for use in bottles. The first produces corks with diameters that are normally distributed with mean 3 cm and standard deviation 0.1 cm.

Change 9 over 4 into a mixed number

Given the parent function is y=x^2 what happens to the graph when there is a positive "a" value in the equation y=a (x-h) ^2 + k

Which of the following is intended primarily to enhance a person's tax advantage and retirement income? A. U. S. Savings Bond B. IRA C. Money market fund D. Growth fund

Maria rewrites a fraction less than 1 as a decimal. The numerator is a whole number greater than 0. For which denominator will the fraction always convert to a repeating decimal? 6, 11, 15, or 18?

Which statement is true regarding the functions on the graph? f (-3) = 9 (4) f (-4) = 9 (-3) f (-3) = 9 (-3) 1 2 3 4 5 6 Mark this and retum Save and Exit Next Sabonet

On a scatter plot, what does it mean when both variables are increasing?

Write an inequality for the situation. all real numbers at most - 9.5 or at least 5.5 A. - 9.5 ≤ b ≤ 5.5 B. b ≥ - 9.5 or b ≥ 5.5 C. b ≤ - 9.5 or b ≤ 5.5 D. b ≤ - 9.5 or b ≥ 5.5

The radius of one sphere is twice as great as the radius of a second sphere. Find the ratio of their volumes.

Venus has a mean distance from the sun of 67,240,000 miles while Mars has a mean distance from the sun of 4,213,000,000 miles. How much farther is Mars from the sun than Venus?