Is powerful a synonym for mighty?

How do you simplify the cube root of x squared times the square root of x? Is 47 a whole neutral integer rational or irrational number? How many five-digit numbers can be created using the digits 0-9? How do you find the solutions of the simultaneous equations of 2x plus 5y equals 16 and -5x-2y equals 2 showing work in step by step stages? What are algebraic terms? What are the differences of JAD and RAD? Small square that displays when a user points to the bottom right corner of a table? What is 10 digits in the decimal system? What is the formula for finding the volume of a trapezoidal prism? What is the Square root of 15241578750190521? What is the length of a diagonal of a rectangle with a length of 8 meters and width of 6 meters? Is the saying 'The pen is stronger then the knife' or 'The pen is stronger than the word'? Is these an adverb? What is the square root of 620? Is alumna plural? If you flip the graph of the quadratic parent function f(x)x2 over the x-axis what is the equation of the new function? Is median of a triangle bisect it's angle? What part of speech is the word equation? 548.48 to the nearest hundred? Estimate 78 percent of 20?