Suppose we went to choose 2 letters without replacement from 3 letters a b and c

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Find the solution of system of equation y= x-4 y=4x+2