Match each pair of points a and b to point c such that angle abc = 90°.
a(3, 3) and b(12, 6)
c(6,52)
a(-10,5) and b(12, 16)
c(16, -6)
a(-8, 3) and b(12,8)
c(18,4)
a(12, -14) and b(-16, 21)
c(-11, 25)
a(-12, -19) and b(20,45)
a(30, 20) and b(-20, -15)

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

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

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?