Find the regression line without using a calculator.
A. y = 0.73x + 4.98
B. y = 0.43x + 4.98
C. y = 0.63x + 4.88
D. y = 0.53x + 4.88
Answer: D
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Rewrite the statement in the form "if p, then q".No rational numbers are not real numbers.
A. If a number is a rational number, then it is a real number. B. If a number is a real number, then it is a rational number. C. If a number is a rational number, then it is not a real number. D. If a number is not a rational number, then it is not a real number.
Find cos(A - B).cos A = - 
and sin B = 
, with A and B in quadrant II.
A. - 
B. 
C. 
D. - 
Solve.Four times the sum of a number and 3 is 24 less than the number times 8. Find the number.
A. -9 B. -36 C. 36 D. 9
Solve the problem.A paper boy collected $6.90, part in nickels and part in dimes. If the number of nickels was 13 more than one-half the number of dimes, how many nickels were there?
A. 38 nickels B. 50 nickels C. 4 nickels D. 28 nickels