What is the value of \( \dfrac{11!-10!}{9!}\)? (A) 99 (B) 100 (C) 110 (D) 121 (E) 132 For what value of \( x \) does \( 10^x \cdot 100^{2x} = 1000^5 \)? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5 For every dollar Ben spent on bagels, David spent 25 cents less. Ben paid $12.50 more...

The number of ways of distributing 12 identical oranges among children so that every child gets at least one and no child more than 4 is (A) 31; (B) 52; (C) 35; (D) 42. The number of terms in the expansion of , when simplified, is (A) 4; (B) 5; (C) 6; (D) 7. The...