How much do the interior angles of a 25-gon sum up to?

Which quadratic equation has roots - 1+4t and - 1-4t? A. x^2+2x+2=0 B. 2x^2+x+17=0 C. x^2+2x+17=0 D. 2x^2+x+2=0

eight out of 10 dentist prefer Crest toothpaste. What is the ratio of dentist whi prefer Crest to those who do

Karen is thinking of two numbers. thier difference is nine and thier sum is 17. what are the Numbers?

Evaluate. 5 2/3-2 1/4.1 2/3

The sides of the base of a right Square pyramid are 3 Meters in length, And it's slant height is 6 m. If the length of the side of the base and the slant height are each multiplied by 3, by what factor is the surface area X?

If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place?

What is another way to express 64? A) 3 ^4 B) 6 ^4 C) 6.4 x 10^2 D) 8^2

Which values, when placed in the box, would result in a system of equations with no solution? Check all that apply. y = - 2x + 4 6x + 3y = A: - 12 B: - 4 C: 0 D: 4 E: 12

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.

You are planning a huge graduation party for your son. You decide to offer both a beef and a chicken meal at the party. The chicken dish costs $5, and the beef dish costs $7.