Afire departments longest ladder is 110 ft long and the safety regulation states that they can use it for rescues up to a 100 feet off the ground. what is the maximum safe angle of elevation for the rescue ladder?

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil