What is 15/6 in simplest form?

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

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?