Help math math please please

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

Find the value of x for which line a is parallel to line b

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8