Let f (x) = 2x^2 + 3,9 (x) = x^2 - 4x + 2, and h (x) = -x^2 + 4x- 2 Select all of the expressions that are equivalent to 3x^2 + x - 1. answers:
f (x) + h (x)
f (x) - h (x)
g (x) + f (x)
g (x) - h (x)
h (x) - f (x)
f (x) + g (x)

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

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?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog