Which expression is equivalent to 16a4 - b4? A. (2a + b)(2a - b)(4a2 + b2) B. (2a - b)(2a - b)(4a2 + b2) C. (2a + b)(2a + b)(2a - b)(2a - b) D. (2a - b)(2a - b)(2a - b)(2a - b)
Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?