The work of a student to solve the equation 2(4x – 4) = 8 + 4x + 4 is shown below: step 1. 2(4x – 4) = 8 + 4x + 4 step 2. 6x – 6 = 12 + 4x step 3. 6x – 4x = 12 + 6 step 4. 2x = 18 step 5. x = 9 in which step did the student first make an error and what is the correct step? step 2,8x – 6 = 2(6 + 2x + 2) step 2,8x – 8 = 12 + 4x step 3,6x – 4x = 12 – 6 step 3,6x + 4x = 12 + 6

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.