Danny needs 30 feet of rope. the rope he wants to buy is sold by the yard. he knows that there are 3 feet in 1 yard. how many yards should he buy?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()