Your bank gives you a special loan of $112,000. at the end of 30 years, you will pay the bank $176,400 in simple interest. what is the annual interest rate on your loan? use the formula: i = prt.

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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?