Please help Sine and cosine ratios

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5