A boat depreciates in value every year by 15% due to wear and tear. If the boat is worth $40,000 currently . How much will it be worth after 3 years ?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered