4. Find the sum of (0.75x - 12y) and (-5 + 6y - 0.5x)

Show each step of your work.

5. Which expression(s) is/are equivalent to 8-2(5x-3). Show your work to justify your decision.

a. 6(5x-3)

b. 8-10x+6

c. 8-(10x-6)

d. 8-10x-6

e. -10x+14

6. In math class, students are attempting to simplify the expression written on the board: 7 - 2 (3 - 8x)

Three students make an attempt at a first step:

Len writes: 5 (3 - 8x)

Monty writes: 7 - 2 (-5x)

Nailany writes: 7 - 6 - 16x

Do you agree with any of the students? Explain your reasoning for each one.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000