Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.5x - 2
B. y = 0.17x + 2.11
C. y = x - 8
D. y = 0.11x + 2.49
Answer: D
Mathematics
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Perform the operations.-4 ? 5 + 11
A. -31 B. -9 C. 24 D. -64
Mathematics
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Mathematics
Solve the problem.What is the probability that the arrow will land on an odd number? Assume that all sectors have equal area.
A. 
B. 
C. 0
D. 1
Mathematics
Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Mathematics