6-ft-tall person casts a shadow 5 ft long. A nearby tree casts a shadow 31 feet long. What is the height of the tree?

Write the expression as a single natural logarithm. 2 in a - 4 in y

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

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?