Simplify the expression. Assume that variables can represent any real number.
A. 
B. x + 9
C. -x - 9
D. -
Answer: A
Mathematics
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Find the compound amount for the deposit. Round to the nearest cent.$5700 at 5.5% compounded annually for 9 years.
A. $6013.50 B. $9736.42 C. $9228.84 D. $8521.50
Mathematics
Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.(9x - y)(7x - 12y)
A. 16x2 - 115xy + 12y2 B. 63x2 - 115xy - 12y2 C. 63x2 - 115xy + 12y2 D. 63x2 + 115xy + 12y2
Mathematics
The size of two matrices is given. Find the size of the product AB and the product BA, if the products exist.A is 2 × 4, B is 4 × 2.
A. AB is undefined, BA is 4 × 4. B. AB is 4 × 4, BA is 2 × 2. C. AB is 2 × 2, BA is undefined. D. AB is 2 × 2, BA is 4 × 4.
Mathematics
Write the fraction in decimal notation.
A. 1.0625 B. 1.08625 C. 1.25 D. 1.075
Mathematics