Which operation is NOT closed for polynomials?

A) - (x2 + 4x + 5) (8x2 + 3x + 4)

B) (7x2 + 2x + 3) + (3x2 - 5x + 4)

C) (x2 + 2x + 5) - (x2 - 2x + 9)

D) (x3 + 4x - 5) / (x5 - 2x + 2)

2x² - 6=x what is the answer

IQ scores for adults aged 20 to 34 years are normally distributed according to N (110,25). Use the empirical rule to answer the following: Approximately what percent of people in this group have scores below 110?

She paid 26.35 for something that would be 31 what percent discount did she get

Find the next number to complete the sequence 3, - 6, 12, 4, 20,?

Jenna has 8 pairs of jeans. Three of them are blue. Jenna bought two more pairs of jeans. If both of them are blue, what percentage of her jeans is blue now? If both of them are not blue, what percentage of her jeans is blue now?

A car can travel 38 miles on each gallon of gasoline. At that rate, how many gallons of gasoline will it take to travel 190 miles? 2 5 20 50

A proportional relationship has a unit rate of 1.5/1. What is the constant of proportionality? Enter your answer in the box.

How do I write 88.691 as a mixed number?

Which of the following transformations will always produce a congruent figure? * A contraction B reflection C expansion D dilation

How many times does 3 fit in 50