Negate the given statement by changing the existential quantifier to a universal quantifier, or vice-versa.All books are blue.
What will be an ideal response?
Some books are not blue.
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Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(x-7y7)-4z3
A. 
B. 
C. 
D. 
Use the table of record trout lengths at Yosemite Lake to answer the question. To find the average, add up the values you are interested in and then divide the sum by the number of values. Round your answer to the nearest tenth.
Find the average length of record trout caught on a holiday weekend (Saturday, Sunday, Monday).
A. 13.3 in. B. 12.8 in. C. 12.1 in. D. 9.6 in.
Match the given equation with one of the graphs.y2 = 4x
A. 
B. 
C. 
D. 
Solve the system of equations by either the addition method or the substitution method.
A. no solution B. (-7, -4) C. (7, -5) D. (6, -4)