17. A preschool has a rectangular field and a rectangular playground that are similar in shape. Each
dimension of the field is 3.2 times the corresponding dimension of the playground. Which statement
is true?
A. The area of the field is 6.4 times the area of the playground.
B. The area of the field is 10.24 times the area of the playground.
C. The perimeter of the field is 6.4 times the perimeter of the playground.
D. The perimeter of the field is 10.24 times the perimeter of the playground.

You are a member of the jury for a murder case. the prosecution has presented dna evidence linking the defendant to the crime scene. the defense claims that dna evidence using str analysis with 13 markers is not sufficient to reliably distinguish between people. what do you think? a. the defense is right. str analysis with 13 markers gives a 1 in 1 million chance of two people having the same pattern, leaving a reasonable doubt. b. str analysis is not sufficient. the defendant's entire genome should be sequenced. the prosecution will have to consult a genomic library to make sure their dna evidence is valid. c. the prosecution is right. str analysis with 13 markers gives a 1 in 10 billion or greater chance that two people will have the same pattern. this person was at the crime scene. d. dna evidence is not generally accepted by legal experts.

The chart shows the marginal cost and marginal revenue of producing apple pies. what most likely will happen if the pie maker continues to make additional pies? the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, decreasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, decreasing the profit.

Which statement about spreading knowledge of diseases and health around the world is correct?