Both x and y denote functions of t that are related by the given equation. Use this equation and the given derivative information to find the specified derivative. Equation: x+7y=7

(a)Given that dx/dt=5, find dy/dt when x=6.

(b)Given that dy/dt=10, find dx/dt when x=7.

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Which number line correctly shows 0.8 + 0.3?