What is the slope of the line perpendicular to the following line? 3x - 8y = 40

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'