Nina and Ryan each ran at a constant speed for a 100-meter race. Each runner's distance fro the same section of the race is displayed on the left. Who had a head start, and how big was the head start?

Solve 2x2 + 8x - 12 = 0 by completing the square. Show step-by-step solution

What Is The Mass, Volume, Density

For every 1 litre of water used to make a medicine, 199ml of sucrose and 271ml of saline solution are used. Express the amount of water, sucrose and saline solution needed as a ratio in its simplest form.

If $75 is put in an account that gets 6% and I add $20 at the end of each year, how much will there be in the account at the end of 10 years?

What expressions are equivalent to - 3.75 + 2 (-4x+6.1) - 3.25x

There are 12 men and 24 women in a chorus. What percent of the entire chorus is composed of women?

What is the equation of the graphed line? (0,7) and (8,-2). then what is it in in slope-intercept form?

Drusilla replaces the light bulb in the hall closet every 9 months and replaces the air filter every 6 months she just replaced both items this month after how many months will she replace both the light bulb and the air filter?

The formula for the volume of a cone is v=1/3 pi times r squared h where v represents the volume, r represents the radius of the base, and h represents the height.

Suppose the expression a (b) n models the approximate number of people who visited an aquarium each day since an aquarium opened, where a is the initial number of people who visited, b is the rate of increase in the number of people who visited each