Write the expression using an exponent:

The number of coins Jada will have on the eighth day if Jada starts with one coin and the number of coins doubles every day. (She has two coins on the first day of the doubling.)

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

The measure of an angle is 117°. what is the measure of a supplementary angle?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.