The first swing of a pendulum is 24cm. If each swing ia 3/4 of the previous swing, how many swings will it take till the pendulum swings only 4cm? I believe you have to use a geometric series but I don't remember how, pls help.

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

Find the values of the variables in the kite

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.