549,321 rounded to the nearest hundred-thousand

Ella's test grades in her history class are 89, 94, 82, 84, and 98. What score must Ella make on her next test to have a mean test score of 907 needed on the next test

What Difference between hundreds and hundredths?

Fizzy went to the garden at 10:15 he spend 25 minutes playing and another 30 minutes dogging for insects. Then he ran off. At what time did he leave the garden

The first step in determining the solution to the system of equations, y = - x2 - 4x - 3 and y = 2x + 5, algebraically is to set the two equations equal as X? - 4x - 3 = 2x + 5. What is the next step? Set y = 0in y = - x? - 4x - 3.

Why doesn't matter what letter or symbol is used to find an unknown number

May can swim one lap in 6.089 seconds, and Sarah can swim one lap in 6.098 seconds. Write an equation to compare their speeds.

How do I solve systems of equations using elimination?

Which of the following is a polynomial with roots 2, 3i, and - 3i? A. f (x) = x^3 - 2x^2 + 6x - 9 B. f (x) = x^3 - 6x ^2 + 9x - 18 C. f (x) = x^3 - 6x^2 + 18x - 2 D. f (x) = x^3 + 2x^2 + 9x - 18

The surface area "S" of a cube with side length e is S = 6e^2. Find the side length of a cube with a surface area of 150 cm.

A farmer hears a weather report saying that temperatures will be decreasing approximately 6∘ 6∘ every hour for the next 5 hours. What signed number represents the total change in temperature expected over the next 5 hours