Simplify. Do not use negative exponents in your answer.(a-3b-2)(a-2b-5)
A. 
B. 
C. 
D. 
Answer: D
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Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
+ 
A. -1.0000 B. -1.000 C. -1 D. -1.00
Provide an appropriate response.For x2 + xy + yz + z2 = 6, the partial derivative 
evaluated at x = 1, y = 2, z = 1 is
A. - 
B. -1
C. - 
D. - 
E. - 
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 1 ft, b = 6 ft
A. c = 7 ft B. c ? 6.1 ft C. c ? 5.9 ft D. c ? 2.6 ft
So far in art class, a student’s quiz scores are 89%, 89%, 82%, and 77%. What score does the student need on the fifth quiz to have a mean quiz score of 86%? All the quizzes have equal weights. Round your answer to the nearest whole number.
a. 85% b. 84% c. 92% d. 93%