Which of the following is the solution set of 18 - 3n + 2 = n + 20 - 4n?

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Which steps could be used to solve 4n+9=25

Enter the unknown number that makes the equation 45*89=3200+360+[]+45

What expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.

Hans can extange $200 for 300 Swiss francs. How many dollars would a 960 franc clock cost

Find the similarity ratio of a prism with the surface area of 81 m2 to a similar prism with the surface area of 361 m2. A. 6,859 : 729. B. 9 : 19. C. 19 : 9. D. 729 : 6,859

In a lab, a scientist is growing bacteria for a study. The scientist begins with a bacteria population of b cells. She discovers that after 3 hours, the population of bacteria is b2 cells. Three hours later, the bacteria population is b3 cells.

What is - √61 to the nearest integer and nearest tenth?

This school is also thinking of changing their mascot to an armadillo. To change mascot, a 55% supermajority is needed. How many of the 240 students need to vote "yes" for the mascot to change

The cost of controlling emissions at a firm is given by C (q) = 4,000 + 100q2 where q is the reduction in emissions (in pounds of pollutant per day) and C is the daily cost to the firm (in dollars) of this reduction.

You have a fishing line spool with an end that has an area of 20.0 cm2. how much fishing line do you need to wind around the spool 10 times?