In an experiment, the temperature of a liquid at 16.9 degrees Celsius is decreasing at a rate of 2.3 degrees Celsius per minute and the temperature of a solid at 30.7 degrees Celsius is decreasing at a rate of 6.9 Celsius per minute enter the number of minutes it will take the liquid and solid to reach the same temperature

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?