Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. simplify the expression. csc^2(pi/2-x)/1+tan^2(x)

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Which of the following circles have their centers in the third quadrant?