Chad hiked to a famous point with a beautiful view. It took 1 hour and 15 minutes to hike to the viewpoint and 30 minutes to hike back. Chad spent 1 hour enjoying the view at the top. He finished the hike at 4:00 P. M. What time did Chad start the hike to the viewpoint? Include A. M. or P. M. in your answer (for example, 11:58 A. M.).

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.