84.95% as a fraction in simplest form and as a decimal

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

The tile along the edge of a triangular community pool needs to be replaced? ?