Use a graphing utility to find the inverse of the matrix, if it exists. Round answers to two decimal places, if necessary.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use positive rational exponents to rewrite the expression.
A. 6x5 B. 5x6 C. x5/6 D. x6/5
Mathematics
Solve. Write the answer as a mixed number in simplest form.On a recent trip, Asha drove 248 miles on 12
gallons of gasoline. How many miles per gallon did she average?
A. 20
mpg
B. 744
mpg
C. 3038 mpg
D. 
mpg
Mathematics
Write the first four terms of the sequence.an = 6n - 4
A. a1 = 6, a2 = 8, a3 = 14, a4 = 20 B. a1 = 2, a2 = 16, a3 = 14, a4 = 28 C. a1 = 2, a2 = 8, a3 = 14, a4 = 20 D. a1 = 10, a2 = 8, a3 = 14, a4 = 20
Mathematics
Solve the triangle ABC. Round each answer to the nearest tenth when necessary.
A. A ? 38.1° , C ? 91.9°, c ? 62.6 m B. A ? 38.1° , C ? 91.9°, c ? 62.7 m C. A ? 39.7° , C ? 90.3°, c ? 62.7 m D. A ? 39.7° , C ? 90.3°, c ? 58.3 m
Mathematics