Which equations are correct?

Select each correct answer.

-7x2 (4x3+2) = - 28x6-14x2

-5d3 (3d2+4) = - 15d5-20d3

-2b3 (6b2+5) = - 12b5-10b3

-3y4 (5y2+2) = - 15y8-6y4

Find x if you=4 3y-6/x=12

Is (x - 4) a factor of f (x) = x3 - 2x2 + 5x + 1? Use either the remainder theorem or the factor theorem to explain your reasoning?

A print shop printed and assembled 8 books in 5 minutes. At this rate how many books can be printed and assembled 3 hours?

What can u multiply to get 6000 with 2.2

Line that is parallel to y = - 3/2x-1

The half-life of a certain substance is 26 years. How long will it take for a sample of this substance to decay to 92 % of its original amount? Use the exponential decay model, A = A_0 e kt, to solve. years (Round to one decimal place as needed.)

An English professor assigns letter grades on a test according to the following scheme. A: Top 7% of scores B: Scores below the top 7% and above the bottom 59% C: Scores below the top 41% and above the bottom 18% D: Scores below the top 82% and

The jewerly store has a ring with a retail price of $372.50 it is on sale for 60% off the retail price what is the discount

The cheetah population in the Sahara Desert is declining at a rate of 4.5% per year. The population was 925 in the year 2005. Which answer is the best prediction of the population in year 2012? 1250 412 670 901

A building has a height of 100ft and a length of 100ft. An architect wants to add to the building by doubling the length of the building. What is the length of the building after the addition?