Which expressions are equivalent to the expression below? -1/3 - (-4 + 1/6)

Select all that apply.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b