Select all of the following equation (s) that are quadratic in form.

x4 - 6x2 - 27 = 0

3x4 = 2x

2 (x + 5) 4 + 2x2 + 5 = 0

6 (2x + 4) 2 = (2x + 4) + 2

6x4 = - x2 + 5

8x4 + 2x2 - 4x = 0

Mark's favorite football team lost yards on two back-to-back plays. They lost 3 yards on the first play. They lost 1 yard on the second play. Write an inequality statement using integers to compare the forward progress made on each play.

Convert the measurement as indicated. 73 inches = ? ft ? in

The current temperature in Smalltown is 19 °F. This is 7 degrees less than twice the temperature that it was six hours ago. What was the temperature in Smalltown six hours ago? Drag and drop the correct number into the box to answer the question.

What is 31.75 rounded to the nearest tenth

The sphere below has a radius of 2.5 inches and an approximate volume of 65.42 cubic inches. Note: Figure is not drawn to scale. A second sphere has twice the radius of the given sphere.

Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 21/13 chain discount. Manufacturer B offers a 26/8 chain discount. Both manufacturers have the same list price. What manufacturer should Home Depot buy from, show why?

The angle of Inclination from the base of skyscraper A to the top of skyscraper B is approximately 11.9°. If Skyscraper B is 1424 feet tall, how far apart are the two skyscrapers? Assume the bases of the two buildings are at the same elevation. feet.

Quadratic equation whose roots are 6 and 4, and whose leading coefficient is 5.

How many numbers less than 1000 are divisible by 7?

What shape has 4 equal sides. and sometimes has 4 right angles