Solve the problem.Assume it costs 25 cents to mail a letter weighing one ounce or less, and then 20 cents for each additional ounce or fraction of an ounce. Let L(x) be the cost of mailing a letter weighing x ounces. Graph y = L(x).
A. 
B. 
Answer: B
Mathematics
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Use DeMorgan's Laws to rewrite the negation of the statement.Joaquim has red hair and freckles.
A. Joaquim has red hair or Joaquim does not have freckles. B. Joaquim does not have red hair and Joaquim does not have freckles. C. Joaquim does not have red hair or Joaquim does not have freckles. D. Joaquim has red hair or freckles.
Mathematics
Solve the problem.Find the dimensions of a rectangular garden with perimeter 62 yd and area 220 yd2.
A. 20 yd by 11 yd B. 10 yd by 11 yd C. 10 yd by 22 yd D. 20 yd by 22 yd
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.4x2 + 10x = -2
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Simplify the complex fraction.4 + 
A. 
B. - 
C. 
D. 
Mathematics