Which expressions simplify to a rational answer? select each correct answer. 52⋅−√2√ 9√⋅16−−√ 3√⋅2√ 11−−√⋅5√\

Plz answer asap plz which is a solution to the equation 4b2 − 11b = 28 + 5b2? a) −5 b) −4 c) −3 d) 4

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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