A study found that there is no direct relationship between the time that 8th-grade students spend brushing their teeth and their final math grade for the year. What is the association? no association , decreasing , increasing.

Answer this question, only if you know the answer. 30 points and brainliest!

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?