Find the sum of - 100.55 and 69.95.

-30.6

Step-by-step explanation:

You can use a calculator or you can think and be well if theres a number line theres a right part so -100.55 so then yo move 69.95 spaces

-30.6

Step-by-step explanation:

a negative and a positive number always gives us another negative number

-60.75

step-by-step explanation:

just add the numbers then put the negative sign on it

  or  

sin y = 7/q

7 is the opposite side length, q is the hypotenuse

tan y = 7/r

7 is the opposite side length, r is the adjacent side length

using sohcahtoa ^^^^

cos y = adjacent/hypotenuse

cos y = r/q