The sum of negative eighteen and a number is eleven. What is the number?

What radius of a circle is required to inscribe an equilateral triangle with an area of 15.588 in2 and an altitude of 5.196 in? (round to nearest tenth)

Explain how to find the constant of proportionality for the ratio of robins to cardinals. A 2-column table with 4 rows. Column1 is labeled Cardinals with entries 5, 6, 9, 10. Column 2 is labeled Robins with entries 15, 18, 27, 30.

A rectangular tank has dimensions 4.5m by 6m by 8m. It's filled with water to the brim. If 58m^3 of the water is used, how much water is left in the tank?

If 450 candies are randomly selected find the probability that their mean weight is at least 0.8543 The probability that a sample of 450 candies will have a mean of 0.8543g or greater is?

My number has more ones blocks than tens blocks. my number name starts with sixty

Someone ate 1/10 of a cake. If you eat 2/3 of the cake that is left, how much of the whole cake will you have eaten?

Check all of the ordered pairs that satisfy the equation below. y = 7x A. (6,42) B. (42,6) C. (42,7) D. (12, 84) E. (84, 12) F. (84, 14)

What is a correct method of solving the equation x/-8 - 7 = 12 for x

The coordinates for the y-intercept for the linear equation y = 3x - 2 are ___, ___.

Tabby Soft believes that it will need new equipment in 5 years. The equipment will cost $26,000. What lump sum should be invested today at 6%, compounded semiannually, to yield $26,000?