Use the square root property to solve the equation.(x - 3)2 = 4
A. -1
B. 1, 5
C. -1, -5
D. 5
Answer: B
Mathematics
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Multiply. Simplify by combining like terms.(11x - y)2
A. 121x2 + y2 B. 121x2 - 11xy + y2 C. 121x2 - 22xy - 2y2 D. 121x2 - 22xy + y2
Mathematics
Solve the system by substitution.x = 3y + 7y = x - 5
A. (-4, -1) B. (-4, 1) C. (4, -1) D. (4, 1)
Mathematics
Solve.A pizza maker wants 16% of the surface of a pizza to be the crust around the edge. If the radius of the pizza including the crust is r, and the crust has a uniform width, find the appropriate width c of the pizza crust. Round your answer to two decimal places, if necessary.
A. c = 0.92r B. c = 0.6r C. c = 0.08r D. c = 0.16r
Mathematics
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No
Mathematics