Which best describes the error in finding the simple interest earned on $500 at 6% for 18 months?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c