Which answer is closest to teh value of X?? show your work! (DON'T USE A CALCULATOR!!!)

5x^{2} + 2 = 242

A. 6.89

B. 7.54

C. 6.32

D. 6.49

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.