Find the value of the specified finite sum.Given 
= -2 and 
= 7, find 
.
A. 9
B. 14
C. -9
D. -11
Answer: C
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Leave answers with exponents.(52)4
A. 258 B. 58 C. 56 D. 256
Mathematics
Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B ? A-1 B. B = A-1
Mathematics
Rationalize the denominator. Assume all variables have positive values.
A. 
B. 
C. 
D. 
Mathematics