Solve the problems.A mobile device has a screen that measures 9.2 in. across its diagonal. Convert this to centimeters.
A. 23 cm
B. 2.3 cm
C. 36 cm
D. 3.6 cm
Answer: A
Mathematics
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Solve the equation.b - 20.60 = 0
A. -19.60 B. -20.60 C. 19.60 D. 20.60
Mathematics
Solve and graph the inequality. Give answer in interval notation.-1 ? 
? 3
A. [-7, 1]
B. (-3, 5)
C. (-1, 7)
D. [-5, 3]
Mathematics
Solve the problem.Joe has traveled 
of his total trip. If the trip is a total of 640 miles, how many miles has he gone?
A. 102
miles
B. 128 miles
C. 512 miles
D. 256 miles
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics