Use the function y=200 tanx on the interval 0

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points