In a random sample of 81 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3415 with a standard deviation of $2501. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns.

Given a circle with a radius of 4, which is the circumference

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

If 25% of y is 30, what is 60% of y?