Can someone explain and factor

5x^2-25x-4

How do you convert 5pi/6 to degrees?

What is the solution to this system of equations? x = 12 - y 2x + 3y = 29 A. x = 8, y = 4 B. x = 6, y = 6 C. x = 7, y = 5 D. x = 9, y = 3

What is 34 less than the product of 14 and a unknown number of is 78. what is the unknown number?

3x-2y = 24 What is the slope

70.85 subtract what equals 45.52

4x-6y=2 3x+5y=11 Jonas used the linear combination method to solve the equation shown. He multiplied the first equation by 3, and the second equation by another number to eliminate the x terms. What number did Jonas multiply the second equation by?

Larry purchase 8000 shares of a stock at a price of $7.29 a share. He sold the stock six years later at the price of $10.31 per share. What is this percent gap gain

What is the value of the expression - 7 - 5 + 4? A. -16 B. -8 C. -12 D. -6

What two numbers add up to - 3 and multiply to - 100?

Find the least common denominator of each fraction, show all of your work: 1/3 and 3/4