write f(x)=1/2x^2+3/2x-5 in intercept form then find the x-intercepts, the vertexand the axis of symmetry of the graph of f

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

What is not true about kl and mn? what is mn? (show your work)