A jar contains black and white marbles in the ratio 2:5. If the jar contains total of 35 marbles, how many of the marbles are black?

Find the value of the cosine for angle a

30 points and i will give 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.

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false