Mark's age, x, is 6 times his age 2 years ago. Which equation represents the statement?

a.) x = 6x + 2
b.) x = 2x + 6
c.) x = 6 ( x -2 )
d.) x = 6x -2

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Which question is not a good survey question? a. don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d. are you happy with the availability of electronic products in your state?