Solve the problem.A package of 12 cakes costs $7.35. A package of 30 cakes of the same type costs $16.32. Which package is the best buy? Give the unit cost of the best buy to the nearest cent.
A. 12 cakes at $0.61 per cake
B. 12 cakes at $1.63 per cake
C. 30 cakes at $0.54 per cake
D. 30 cakes at $1.84 per cake
Answer: C
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Indicate whether the equation illustrates the additive identity property, multiplicative identity property, additive inverses, or multiplicative inverses.-7.2 + 7.2 = 0
A. Multiplicative identity B. Additive identity C. Multiplicative inverse D. Additive inverse
Find the specified value of the objective function f on the given region.
Maximum of f = x + 8y
A. 94 B. 120 C. 76 D. 102
Determine the value of each variable.
= 
A. m = 1; x = -7; n = 8; y = 6; p = 5 B. m = 8; x = -7; n = 1; y = 6; p = 5 C. m = 8; x = -1; n = 1; y = 6; p = 5 D. m = 8; x = -1; n = -7; y = 6; p = 5
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A company produced 2,440,000 small appliances in one year and made a profit of $6,900,000. What was the profit on each appliance?
A. $2.83 × 106 B. $2.83 C. $2.83 × 103 D. $28.30