12 Ryohei is making a pasta dish for his family that requires 2 kilograms of pasta. His favorite pasta costs $2,1 for 14 ounces. At this rate, how much will Ryohei spend for 2
kilograms of this pasta?
A
$10.56
B
$5.28
с
$4.80
D
$2.40

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?