Some primes are 1 more than a square. For example, 5 = 2 2 + 1. Can you find any other primes p so that p = n2 + 1?
?
A. 2, 5, 7, ...
B. 3, 4, 17, ...
C. 13, 17, 65,...
D. 3, 7, 17,...
E. 5, 17, 37, ...
Answer: E
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Perform the indicated operation. Use the form
A. <-5, 8> B. <-13, 8, 8> C. <6, -12> D. <-21, 24>
Solve the problem.A wheel with a 40-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 12 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 17.2° B. 13.2° C. 15.2° D. 19.2°
Provide an appropriate response.When solving a system of equations, you get x - 2 = x + 4. How many solutions are there?
A. No solutions B. One solution C. Infinitely many
What is the event "getting an odd number and a tails" for the experiment of rolling a die and then tossing a coin? ?
A. E = {(1, H), (3, H), (5, H)} B. E = {(2, T), (4, T), (6, T)} C. E = {(2, H), (4, H), (6, H)} D. E = {(1, T), (3, T), (5, T)}