The sum of twice a number and seven yields a difference of four times the number and five. Find the number.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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