Multiply.(5a + 4b)2 (5a + 4b)2
A. 625a4 + 2000a3b + 2400a2b2 + 1280ab3 + 256b4
B. 625a4 + 625a3b + 2400a2b2 + 2400ab3 + 256b4
C. 625a4 + 5a3b + 2000a2b2 + 2000ab3 + 256b4
D. 625a4 + 2000a3b + 2400a2b2 + 2000ab3 + 256b4
Answer: A
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Solve the problem.The sale price on an outfit Jan wanted was a 5-digit palindromic number, say $abc.de, satisfying the given conditions: Jan would never pay over $200.00;b, c, and d are all multiples of 3;c = (d + b) - 12;the sum of all the digits is a multiple of 13;a + e = (b + d) - 16; and c = 3(a + e).What amount does she owe the salesperson?
A. $193.91 B. $136.31 C. $196.91 D. $296.92
Change to an equivalent expression involving an exponent.logb r = s
A. rb = s B. br = s C. bs = r D. rs = b
Write the ratio using fractional notation. Do not simplify.
to 6
A. 
B. 
C. 
D. 
Solve the problem.Zach is planning to invest up to $45,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $6000 and he does not want to invest more than $27,000 in corporate bonds. He also does not want to invest more than $32,116 in municipal bonds. The interest is 8.8% on corporate bonds and 6% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $3456 B. $30,456 C. $21,456 D. $10,296