Test prep
steel is a mixture of iron, carbon, and other elements. the table shows the
number of parts of each element in two different-sized samples of steel.
other elements
iron
carbon
7
90
sample # 1
sample # 2
3.5
45
1.5
a. what is the unit rate of parts iron to parts carbon?
pic
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b. what is the unit rate of parts iron to parts all other elements, including
carbon?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Ineed me i stuck and i don’t want to get it wrong

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?