Perform the indicated operations and express your answer in the form a + bi. 
A. i
B. -7i
C. ±7
D. 7i
Answer: D
Mathematics
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Perform the indicated operation.
- 
A. 
B. 
C. - 
D. 
Mathematics
Express the following ratio as a fraction in lowest terms.56 feet to 8 feet
A. 7
B. 
C. 
D. 
Mathematics
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3851 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.22 per gallon.
A. 7343.5 gallons B. 7336.1 gallons C. 7339.4 gallons D. 7348.4 gallons
Mathematics
Use factoring techniques to solve the quadratic equation.x2 - 12x + 35 = 0
A. {7, 5} B. {-7, 5} C. {-7, -5} D. {35, 0}
Mathematics