Val says that the model below represents the equation -2x+7 = 3x+(-4)
tia says that the model represents the equation 7-2x = (-4)+3x

who is correct, val or tia?

a: only val is correct.
b: only tia is correct.
c: both val and tia are correct.
d: neither val nor tia is correct.

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?