For triangle DEF, the length of side e and the measures of angles D and F are known. What method should be used to start solving triangle DEF? A. law of sines
B. both laws can be used
C. neither law can be used
D. law of cosines

No one answered when i posted it so i posted it again i will give 20 points and brainliest the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.