John put $3,000 in his savings at 2% annually for 3 years. What did he earn in simple interest? A $60 B. $180 O c $600 OD. $1,800​

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.