Which expressions are equivalent to 3(-2a-4)+3a3(−2a−4)+3a3, left parenthesis, minus, 2, a, minus, 4, right parenthesis, plus, 3, a ? choose all answers that apply: choose all answers that apply: (choice a) a -6a-12+3a−6a−12+3aminus, 6, a, minus, 12, plus, 3, a (choice b) b 3a+123a+123, a, plus, 12 (choice c) c none of the above

Hart manufacturing had six-month sales of $80 million, with $20 million of that amount from the internet. it set a goal to increase the percentage of total sales coming from the internet by 4 percent in the next six months. the results were total sales of $85 million. if the company meets its goal exactly, what will the dollar amount of internet sales be?