Approximate the surface area of the figure using 3.14 for ?. If necessary, round to the nearest tenth.
A. 854.1 in.2
B. 477.3 in.2
C. 1155.5 in.2
D. 238.6 in.2
Answer: B
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Solve the problem.Assume that a person spins the pointer and is awarded the amount indicated if the pointer points to a positive number but must pay the amount indicated if the pointer points to a negative number. Determine the person's expectation.
A. $0.75 B. -$1 C. $6 D. -$0.75
Multiply.(x - 4)(8x2 + x + 7)
A. 8x3 + 31x2 + 3x - 28 B. 8x3 - 33x2 + 3x - 28 C. 8x3 - 31x2 + 3x - 28 D. 8x3 - 31x2 + 11x - 28
Solve the system of equations using the addition method. x + 8y = 315x + 7y = 23
A. (-1, 4) B. (1, 5) C. (-2, 5) D. no solution
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.a = 5, b = 5, c = 2
A. A = 79°, B = 79°, C = 22° B. A = 24°, B = 78°, C = 78° C. A = 78°, B = 78°, C = 24° D. A = 78°, B = 24°, C = 78°