Rebecca's buys some scarves that costs $5 each and 2 purses that cost $12 each. the cost of rebecca's total purchase is $39. what equation can be used to find n, the number of scarves that rebecca buys? only 4 digits/variables can be used.

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Ineed someone to me answer my question i have to have this done and knocked out