Which of the following describes the correct process for solving the equation 3x+6=21 and arrives at the correct solution?
a. divide both sides by 6 and then at 3 the solution is x=5
b. 562 both sides of the equation and then divide by 2 the solution is x=9
c. subtract 6 from both sides of the equation and then divide by 3 the solution is x=8
d. subtract 6 from both sides of the equation and then divide by 3 the solution is x=5

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?