How do you know if two line segments are perpendicular?

Which polynomial represents the sum below? (-2x^3 + 4x^2 + 6) + (2x^2 + 6x + 3) A. - x^6 + 6x^2 + 12x + 9 B. - 2x^3 + 6x^2 + 6x + 9 C. - 2x^5 + 10x^2 + 6x + 9 D. - 2x^3 + 6x + 9 ... ?

Use the list method to write "The odd integers between 2 and 15". A.[2, 3, 5, 7, 9, 11, 13, 15) B. (3,5,7, 9, 11, 13) C. {3, 5, 7, 9, 11, 13, 15)

1 is what percent of 52.6?

If Mr. Kirov continues to make monthly payments of $100 and does not make any new purchases, how many more payments will he need to make before the balance is 0?

Expand 8x - 2x + 3 (-4x+9)

If the mass is 10 the volume is

John is joining a summer bowling club. At Faction Bowl it costs $10 to join the club and $2 per game of bowling.

How many solutions for linear equation 3x + 5y = 25 can be found so that - 20 < y < 10, and x is an integer?

The green turtle lays eggs that are approximately spherical with an average diameter of 4.5 centimeters. each turtle lays an average of 113 eggs at one time. find the total volume of these eggs, to the nearest cubic centimeter.

Three brothers share 2 sandwiches equally. Hoe much of a sandwich does each brother get?