What is IT when I1 = 42 mA, I2 = 20 mA, and I3 = 20 mA?
a. 82 mA
b. 62 mA
c. 42 mA
d. 20 mA
e. 2 mA
b. 62 mA
Mathematics
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Solve the problem.Find the expected number of girls in a family of 7.
A. 4 B. 3.25 C. 3 D. 3.5
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Solve the system of equations by using an inverse matrix. 3x + 5y = -10-2x - 4y = 6
A. (-1, 5) B. (5, -1) C. (1, -5) D. (-5, 1)
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An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.
A. (x2 + 2)3/2(2x + 1)-1/2(x2 - x + 6)
B. 
C. 
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Mathematics