What is the discriminant if the quadratic equation 0=-x2+4x-2

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes. The population standard deviation is known to be 0.5 minutes.

Explain the difference between (-5²) and - 5².

Write the ratio three sevenths 3 7 to 6 as a fraction in simplest form.

What is the graph of the function f (x) = the quantity of negative x squared minus 2 x minus 2, all over x minus 2

An economy package of cups has 500 green cups if the green cups are 20% of the total package how many cups are in the package

Given a rectangle with a length of 21 cm and a width of 3 cm, which rectangle is similar? A) A rectangle with a length of 15 cm and a width of 5 cm. B) A rectangle with a length of 27 cm and a width of 3 cm.

A man is five times as old as his son. Four years ago, he was nine times as old. Find their present ages.

3) 1,4,5,5, 8, 9, 11,3,9,4,5 Mean Median mode

How do I find the area of a triangle with a base of 3 and height of 6

You own a beauty salon where you not only cut hair but you also sell hair products. You buy a dozen barrettes for $18.00 and then sell them in your store for $2.00. You want to calculate your percent mark up.