Simplify the expression.(6ab)2
A. 8a2b2
B. 36a2b2
C. 6a2b2
D. 12a2b2
Answer: B
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Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 4 inches, what is its width?
A. 9 inches B. 23 inches C. 15.2 inches D. 1.1 inch(es)
Graph the system of inequalities.x2 + y2 ? 49x2 + y2 ? 16
A. no solution
B. 
C. 
D. 
Find x and y to the nearest tenth using the formula s = r? (? in radians).
Radius, r
Angle, ?
Distance, s
55 cm
rad
x cm
18 cm
rad
y cm
A. x = 69.1; y = 42.4 B. x = 22; y = 24 C. x = 432; y = 42.4 D. x = 69.1; y = 75.4 E. x = 691; y = 424
Solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?
A. 64 cm B. 91 cm C. 80 cm D. 108 cm