Write the digits that make each equation true

Marissa would like to estimate the sum of 6821 + 4963. Explain how Marissa could use rounding to make an estimate.

Y+23=59 solve for y i dont know if i have to add or subtract the 23 and 59

98,205 in scientific notation

1 30/20 as a decimal

If I earn $24 for every four hours How many dollars do I get for 1 hour

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