Sam buys lunch for $7.32 and has to pay 7% sales tax. how much tax does he have to pay? (round your answer to 2 significant digits).

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

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!