the mean number of hours spent per day on the computer, according to a national survey, is six hours, with a standard deviation of 2.5 hours. if each time was increased by 1.5 hours, what would be the new mean and standard deviation? (2 points)

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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.

Describe how making an ‘and’ compound sentence effects your solution set