Four students get 90s on a test, three get 70s, 2 get 60s and one gets an 80. what is the mean test score in this group?

Use the drop-down menus to complete the statements about the function p (x) = x (x - 1) + 1. The value of a is. The value of b is. The value of c is. The value of the discriminant is. The quadratic function will intersect the x-axis times.

Sam can paint 10 houses in a week. How long would it take him to paint 70 houses?

A car uses 20 gallons of fuel to travel 440 miles. How much fuel will the car use to Travel 1054 miles? 40 gallon? 48 gallons?231 gallons?440 gallons?

Solve for x in the equation x2+14x+17=-96.

A box without a top is to be made from a 30 cm by 30 cm rectangular piece of cardboard by cutting out square corners with a side length of x and then folding up and taping the sides.

What is the excluded value of a/b-2

A woman is traveling with a wolf, a goose, and a mouse. She must cross a river in a boat that will only hold herself and one other animal. If left to themselves, the wolf will eat the goose and the goose will eat the mouse.

Does - 3 (x-4) = - 3x=12 have one solution, many solutions, or no solutions at all?

Solve the inequality - 6>-2/3

How is adding integers similar to adding whole numbers how is it different?