A merchant sells 4 dresses and 2 hats for $64. If he sold 3 dresses and 2 hats he would have received $55. What is the selling price of the dresses and the hats? System: Work: BEST ANSWER GETS BRAINLIEST

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2