What are the solutions to the quadratic equation x^2-40=0

Ryan wanted to know the height of a cell-phone tower neighboring his property he walked 80 feet from the base of the tower and measured the angle of elevation to the top of the tower at 54 degrees if Ryan is 5 feet tall what is the height of the

Find the interest rate for the given deposit and compound amount. $4600 accumulating to $5994.78, compounded monthly for 4 years.

the graph of f (x) = log10x below, approximate the value of y in the equation 10y = 6. log base 10 graph

Simplify 9 (1 + 8g) using distributive property

Tom converted the height this way 3 feet=1 yard Conversion Factor: 3 ft over 1 Yard 379ft/1x3ft/1yard = 1,137 What is Tom's error and show how to correctly convert 379 feet to yards. So, 379 feet = ? How did I know Tom's answer was incorrect?

The equation is. - 0.5p-2=p how do I solve this? And show my work

Whats is the first step in solving the quadratic equation

Eight less than a number doubled is twenty more than the number. What is the number?

What is 1 and 1/8 plus 1 and 1/4

Daniella wrote the equation shown to represent "four less than - 3.7 times a number is - 11.9." 4n - (-3.7) = 11.9 Explain her error, include the correct equation in your response.