Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Are the sets equal?A = {9, 10, 11, 12, 13}B = {8, 9, 10, 11, 12}
A. Yes B. No
Mathematics
Simplify the expression.-3(3r + 1) - (8r + 2) - 5r + 3
A. -22r - 2 B. -22r + 4 C. 22r + 3 D. -6r + 2
Mathematics
Find the perimeter.A gardener wants to put a fence around a garden with sides of lengths 65 meters, 31 meters, 69 meters, and 60 meters. How much fencing must he buy?
A. 268 m B. 225 m C. 192 m D. 258 m
Mathematics
Solve.The speed limit is 60 miles per hour. Convert this to kilometers per hour. Round answer to the nearest hundredth, if necessary.
A. 37.2 km per hr B. 96.6 km per hr C. 18 km per hr D. 152.4 km per hr
Mathematics