Acoin is weighted so that the probability of getting heads is 0.70. if the coin is flipped twice, what is the probability of getting a tail followed by a head?

What is the y intercept of f(x)=(1/2)^x?

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

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points