Select the correct answer.

What is one root of this equation?

2x^2-4x+9=0

The Tetrahedron Superyacht designed by Jonathan Schwinge is a regular tetrahedron with edges 20 m long. The distance r from one corner to the center of the base is 11.5 m. What is the vertical height, h, of the tetrahedron?

Solve P = 2w + 2h for w. w = P - 2h w = P - 2h - 2 w = P-h/2 w = P-2h/2

Overnight rain has left 8 gallons of water in Juan's boat. Juan secures a small container and begins scooping the water out at a constant rate of 0.5 gallons per minute.

Four quarters as a decimal

The price of a gallon of unleaded gas has dropped to $2.79 today. yesterday's price was $2.85. find the percentage decrease. round your answer to the nearest tenth of a percent.

5) What is the total cost of an item priced at AED 150 with a sales tax of 6%?

Jaimie swims 12 the length of the swimming pool every 14 of a minute. Enter the number of lengths of the swimming pool Jaimie swims per minute. _[blank]_ lengths

If Brand A dog food costs $29.95 for 30 pounds and Brand B dog food costs $50 for 45 pounds, which costs less per pound?

Your teacher asked your class to describe a real-world situation in which a y-interncept is 100 and the slope is 5.

Jay said, "The amount of money in my checking account is less than $50.00, but greater than $40.00." Which statements about the possible value of the money are true? 1. The value of the money could be a multiple of 20.