Simplify.
A. 
B. 2x2 - 18
C. 
D. 2x - 5
Answer: D
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An endangered population is declining by 7% per year. There are initially 824 animals present. ? A: Write a formula that gives the number A of animals remaining after t years. ? B: What is the percentage decrease over any 6-year period? ? C: Make a graph that shows the population level over the first 20 years. ? D: How long will it take for the population to decline by 21%? ? Round your answers to two decimal places if necessary. ?
What will be an ideal response?
Change the exponential expression to an equivalent expression involving a logarithm.52 = 25
A. log225 = 5 B. log525 = 2 C. log255 = 2 D. log52 = 25
Rewrite the rational expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Solve. Remember to insert units when writing your answer.Harry caught a fish weighing 27 lb 10 oz and then caught a second fish weighing 
How much more did the first fish weigh?
A. 48 lb 3 oz B. 6 lb 1 oz C. 49 lb 3 oz D. 5 lb 1 oz