Solve the problem.The price of a printer was reduced from $400 to $220. What was the percent of decrease?
A. 50%
B. 55%
C. 45%
D. 81.8%
Answer: C
Mathematics
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Simplify the expression.
- 
A. 
B. 
C. 
D. 
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.I = prt; I = 8.8, p = 110, r = 0.08
A. 77.44 B. 0.7744 C. 0.1 D. 1
Mathematics
Write the set.A is the set of whole numbers less than 7.
A. A = {0, 1, 2, 3, 4, 5, 6, 7} B. A = {0, 1, 2, 3, 4, 5, 6} C. A = {1, 2, 3, 4, 5, 6, 7} D. A = {1, 2, 3, 4, 5, 6}
Mathematics
Solve the problem.Show that [p ? (q ? r)] ? [t ? (~p ? (q ? r))](a) by using equivalences.(b) by constructing a truth table.
What will be an ideal response?
Mathematics