Jane’s mobile phone plan charges $0.05 per minute at daytime rates before 8 p. m. and $0.03 per minute at nighttime rates after 8 p. m. A conference call costs 1.5 times the normal rate. Calculate the cost of a conference call lasting from 7 p. m. to 8:30 p. m.

Minutes at daytime rate:
Minutes at nighttime rate:
Total cost:

How far is x from 5 on a number line?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.