Provide an appropriate response.Find the approximate cost by rounding to a single digit and then find the exact cost of 12 cans of cat food if each can costs $0.49.
A. $6; $5.88
B. $5; $5.88
C. $5; $5.78
D. $6; $5.78
Answer: B
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Provide an appropriate response. A can of coffee weighs 13 ounces. What is the smallest number of cans that must be used to package 1,000 kilograms of coffee?
A. 2,715 cans B. 4,537 cans C. 205 cans D. 130 cans
Solve the problem.A lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 4?
A. 19 : -15 B. 9 : 10 C. 9 : 19 D. 4 : 15
Solve the system of equations by using the inverse of the coefficient matrix.x - y + z = 6x + y + z = 8x + y - z = 4
A. x = 5, y = 2, z = 1 B. x = 2, y = 5, z = 1 C. x = 5, y = 1, z = 2 D. No inverse, no solution for system
Find the constant that should be added to the expression to make it a perfect square.x2 + 16x + ?
A. 256 B. 64 C. 8 D. 16