Simplify the expression by using the order of operations.42 ? 93 + (4 - 2) ? 10
A. 236
B. 11,724
C. 11,684
D. 1316
Answer: C
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Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 95 black, 100 white and 85 red wires. How many of each cable were made?
A. 53 cable A 25 cable B 17 cable C B. 10 cable A 25 cable B 20 cable C C. 25 cable A 10 cable B 20 cable C D. 10 cable A 17 cable B 20 cable C
Factor completely. If unfactorable, indicate that the polynomial is prime.75a4b - 27b3
A. 3b(5a + 3b)2 B. 3b(5a2 + 3b)(5a2 - 3b) C. (15a + 9b)(5ab - 3b2) D. 3b(5a - 3b)2
Solve the problem.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 4?
A. The weight is divided by 16. B. The weight is multiplied by 16. C. The weight is multiplied by 4. D. The weight is divided by 4.
A manmade lake located in Lake View Condominiums has the shape depicted in the following figure. The measurements shown were taken at 10-ft intervals. Using Simpson's rule with 
, estimate the surface area of the lake. Round the result to the nearest tenth.
?
?
A. 
B. 
C. ?
D. ?