Find the sum.1 + 3 + 5 + ... + 539
A. 72,900
B. 72,361
C. 73,170
D. 73,441
Answer: A
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The following table shows the running speed R, in feet per second, of animals of length L, in inches. Use the regression line for the data to estimate the running speed of animals that are 11 inches long. L 3.5 6.3 9.4 9.8 R 8.26 15.79 24.02 24.99? ?
A. 13.89 feet per second B. 28.96 feet per second C. 13.88 feet per second D. 28.24 feet per second
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.(B ? C) ? A
A. {-3, -1, 2, 4, 5, 7, 9} B. {-3, -1, 2, 5} C. {-3, -1, 2 } D. ?
Provide an appropriate response.If x and y are both replaced by negative numbers, is the value of 
positive or negative?
What will be an ideal response?
Provide an appropriate response.v1 = 
, v2 = 
, v3 = 
and S = {v1, v2, v3}. Aff S is a plane in ?3. Give its equation.
A. x + y + z = 0 B. 6x + 9y + 7z = 0 C. 13x +14y =17 D. x = 2