A quadratic equation with a negative discriminant has a graph that

a. touches the x-axis but does not cross it.

b. opens downward and crosses the x-axis twice.

c. crosses the x-axis twice.

d. never crosses the x-axis.

A restraunt automatically charges a 20% gratuity if a part has 6 or more people. How much gratuity is added to a part of 6 on a $141 bill.

What is the area of this circle? (Express your answer using π.) (Note: The diameter is 6 m.)

Kaori is taking a free-throw. H (d) models the basketball's height (in meters) at a horizontal distance of d meters from Kaori. What does the statement H (R) = 4H mean?

What is the prime factorization of 45? A) 2^3 x 5 B) 3^2 x 5 C) 5^2 x 3 D) 5^2 x 9

Suppose y varies directly with x and y=72when x=6. What direct variation equation relates x and y? What is the value of y when x=10 A. y=1/12x; 120 B. y=12x; 120 C. y=6x; 62 D. y=1/6x; 43.2

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair. Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.

7/8 + n/4 = 3/8. What is N

Which sum is equal to the product of 28*47

You sold a total of 48$ worth of cheese. You forgot how many pounds of each type of cheese you sold. swiss cheese costs 8$ per pound. Cheddar cheese costs 6$ per pound

Solve for the variable in the following equation. e^2-2e-99=0 e = - 11, e = - 9 e = - 11, e = 9 e = 11, e = - 9 e = 11, e = 9