What percentage is the fraction 2/4 equal to? 30% 20% 50% 40%

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum