Which of the following algebraic expressions will translate “the sum of eight and twice w”? A: 8 + w
B: 2(8) + w
C: 8 = 2w
D: None of these choices are correct.

The value √10 and √15 are plotted on the number line

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.