The population of a small town increased by 25% two years ago and then decreased by by 25% last year. The population is now 4500 persons. What was the population before the two changes?

Which statements best describe the data? 1, 6, 6, 6, 8 A. The range is 6. B. The data is concentrated around 6 and 1 is an outlier. C. The mean is 4.5 and the range is 7. D. Eight is an outlier.

Taylee has three times as many animal crackers as Meici. Beckett has twice as many animal crackers as Meici. If the three friends have a total of 72 crackers how many does each friend have?

2.) Which ordered pairs, in the form (x, y) are solutions to the equation? A. Both are solutions. B. The first is not a solution, but the second is. C. Neither is a solution. D. The first is a solution, but the second is not

What happens to cells in multicellular organisms as they continue to divide and increase in size? a. They become more alike. b. They break down. c. They differentiate. d. They develop extra parts.

Ben earns $9 per hour and $6 for each delivery he makes. he wants to earn more than $155 in an 8-hour workday. what is the least number of deliveries he must make to reach his goal? how work

Find the parametric equation for the tangent line to the curve r (t)

One of two complementary angles is 8 degrees less than the other. Which of the following systems of equations represents the word problem? x + y = 90 and x - y = 8 x + y = 90 and 90 - x = 8 x + y = 90 and y = 8x

Which is greater 64 inches or 5 feet

Wo students, Ann and Max, factored the trinomial 4x2 - 6x - 4. Ann factored it as 2 (x - 2) (2x + 1) and Max factored it as (x - 2) (4x + 2). Indicate which student factored the trinomial completely and which student did not, and explain why.

Find the range of the following data. Scores:90.89,87,79,89,84,80,85,85,79