Select all of the following that are quadratic equations.

3x2 + 5x - 7 = 0

x3 - 2x2 + 1 = 0

2x - 1 = 0

5x2 + 15x = 0

6x - 1 = 4x + 7

x2 - 4x = 4x + 7

Solve the equation - 10y - 3 = 7 for y. A. - 1 B. 0 C. 1 D. 2

If the length and width of a rectangle each doubled what happens to the area of the rectangle

What is 24.5+14.25+6.875

What is 0.17 and 11/12 as a reduced (simplified) fraction?

Divide 8.931 : 0.46. Round the quotient to the nearest hundredth. 1.94 14.92 19.24 19.42

A law firm has five senior and six junior partners. A committee of three partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the? committee?

Find the circumference of each circle with the given radius or diameter. Round to the nearest tenth. Use 3.14 for T. d = 14.2 mm

What is the answer to 4x+2y=6 and 3x-y=-8

What are the solutions to the quadratic equation 2x2 + 10x - 48 = 0

What is the value of 13 tens