15. COLLEGE COSTS The table shows some college costs. How much more is tuition than the cost of fees and room and board?
Item
Cost ($)
Tuition
8x + 75
Fees
x + 50
Room and Board
x + 3

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?