Suppose that P is the endpoint of a segment PQ and M is the midpoint of PQ. Find the coordinates of endpoint Q.P(2, 8), M
A. Q
B. Q
C. Q(-9, 6)
D. Q
Answer: C
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On a certain island there are initially 4.6 new species per year introduced. This number decreases by 4% each year. But conditions cause some species to become extinct. Initially 1.7 species per year become extinct. The number increases by 14% each year. ? A: Using N for new species per year, find a formula that gives the number of new species per year introduced after t years. ? B: Using E for extinction rate, find a formula that gives the rate of extinction t years. ? C: Make a graph that shows both N and E over the first 10 years. ? D: When will the rate of extinction be the same as the rate new species are being introduced? Round your answer to two decimal places if necessary.
What will be an ideal response?
R1 = 2.2 Kê, R2 = 3.3 Kê, RL = 1.2 Kê, and E = 20 V. What is the value of IR2 ?
a. 2.09 mA
b. 5.88 mA
c. 8.92 mA
d. 15.19 mA
e. 16.67 mA
Provide an appropriate response.The reverse of multiplication is division.
A. True B. False
Determine the number that will complete the square. Check by multiplying.x2 - 
x + 
A. 
B. 
C. 
D. 