Identify and explain the error made in the following:

2x + 8x = 10x^2

The path of a ball kicked from the ground can be modeled by the equation y=-1/5 (x-5) (x-20), where x and y are measured in feet. The x-axis represents the ground. How far does the ball land from where it is kicked?

What is the Lowest Common Denominator between 3m/m+n and 3n/m-n

A triangle has side links 4 inches 5 inches and 7 inches is the triangle a right triangle

What 2 #s lies between the square root of 84

Solve x^2 + 2x - 1 = 2 using quadratic equation

Find the eccentricity of 4 / (-2 - 6sin (theta)) a) 2 b) - 2 c) 3 d) - 3

Which of the following is the solution 4|x+3|≥8

Ms. Tucker travels through two intersections with traffic lights as she drives to the market. The traffic lights operate independently. The probability that both lights will be red when she reaches them is 0.22.

It's a four digit whole number It is divisible by 5 The sum of its digits is 12 The sum of it hundreds, tens, and ones digit is 8 The sum of its ten and ones digit is 1 It is divisible by 6 The difference between its ten and ones digit is 1 It is

A pair of intigers whose sum is negative two