ASAP NED HELLPPP BRAINLIST

Draw the line of reflection that reflects △abc onto triangle δ a'b'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

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form