Solve the problem.Find the number of terms in the following arithmetic progression 3, 9, 15, 21, . . . , 111
A. 22
B. 16
C. 13
D. 19
Answer: D
Mathematics
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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 21°B = 20°a = 13.8
A. C = 140°, b = 25.3, c = 13.2 B. C = 140°, b = 13.2, c = 25.3 C. C = 139°, b = 25.3, c = 13.2 D. C = 139°, b = 13.2, c = 25.3
Mathematics
Write the quadratic function in the form y = a(x - h)2 + k.y = x2 + 10x + 18
A. y = (x + 5)2 + 7 B. y = (x + 5)2 - 7 C. y = (x - 5)2 - 7 D. y = (x - 5)2 + 7
Mathematics
Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? 
A. 
B. 
C. - 
D. - 
Mathematics
Find the absolute value of the complex number.z = 6 - 4i
A. 
B. 52
C. 10
D. 2
Mathematics