Write the indicated term of the binomial expansion.(2x + 5)5; 5th term
A. 2500x2
B. 1250x
C. 6250x
D. 15,625
Answer: C
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Solve the problem.pH = -log10[H+] Find the pH if the [H+] = 8.1 × 10-13.
A. 13.09 B. 12.09 C. 13.91 D. 12.91
Solve the problem.A certain area of forest is populated by two species of animals, which scientists refer to as A and B for simplicity. The forest supplies two kinds of food, referred to as F1 and F2. For one year, species A requires 1.5 units of F1 and 1.05 units of F2. Species B requires 2.0 units of F1 and 1.8 units of F2. The forest can normally supply at most 909 units of F1 and 450 units of F2 per year. What is the maximum total number of these animals that the forest can support?
A. 176 animals B. 428 animals C. 300 animals D. 906 animals
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 79°?
A. 4 p.m. B. 1 p.m. C. 12 p.m. D. 3 p.m.
Write the standard form of the equation of the circle with radius r and center (h, k).r = 4; (h, k) = (10, 6)
A. (x - 10)2 + (y - 6)2 = 4 B. (x - 10)2 + (y - 6)2 = 16 C. (x + 10)2 + (y + 6)2 = 16 D. (x + 10)2 + (y + 6)2 = 4