Which statement about t-distributions is false?
a) The t-distribution is symmetric.
b) The standard deviation of the t-distribution
approaches as the degrees of freedom
increases.
d) The t-distribution is centered at zero.
c) The t-distribution has a larger standard
deviation than the standard normal
distribution

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section