Which of the following expressions is undefined

cot180°
sec0°
csc(-90°)​

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose