Add the polynomials. Assume all variable exponents represent whole numbers.(12x5y3 + 10x3y2 + 2xy) + (4x5y3 + 5x3y + 3xy)
A. 15x6y3 + 16x5y3 + 5xy
B. 16x5y3 + 15x3y2 + 5xy
C. 16x5y3 + 15x3y + 5xy
D. 16x5y3 + 10x3y2 + 5x3y + 5xy
Answer: D
Mathematics
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Provide an appropriate response.True or False?The sum of two irrational numbers is always irrational.
A. True B. False
Mathematics
Solve the problem.Sue had $948 in her bank account. She deposited a $841 paycheck and a 
paycheck. How much did she deposit and what was her new balance?
A. $1050; $1791 B. $943; $1881 C. $943; $1891 D. $1789; $1891
Mathematics
Find the length of the arc on a circle of radius r intercepted by a central angle ?. Round answer to two decimal places.r = 10 centimeters, ? = 70°
A. 11 centimeters B. 12.22 centimeters C. 9.78 centimeters D. 13.44 centimeters
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics