2 procedimientos por favor

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

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?