For those of you with differently ordered answers, the correct answers according to Apex are as followed: y=sec x and y=tan x
Since that angle all together is 180, 100 is 2z-10 and z is 55
28% is 28/100 as a fraction but the simplest form is 14/50 and it can be simplified to 7/25. the decimal is 0.28
fraction is 7/25
decimal is 0.28
The number 0 is basically nothing, so 7 divided by nothing is not defined. That's why calculators or even the most powerful computer can't divide anything by 0
The answer for the equation is 21/5 or 4.2.