Write an equation using the variable n. Then solve and check the solution.

42) If a number, n, divided by 8 equals 2.5, what is n?

43) The sum of a number, n, and 6.05 is 12.4. What is n?

44) Stacy is one-fourth as old as her mother. If Stacy's mother is 36, how old is Stacy?

45) One-third of a painting job takes 24 hours. How long will it take to finish the entire job?
show your work plzz, cuz I don't understand any of this

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x