Angle A is circumscribed about circle O.
What is the measure of ZD?
80°

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the y-intercept of the line given by the equation

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab