The equation in standard form is 0.5x-y=-3.
5^2 -7•4+(36-2^(5) so do (36-2^5 first put that in the calculator which gets u 32.Then bring down 5^2-7•4+32 then do 5^2 and 7×4 which 25 -28+32 add them together u get 60 so 25 -60 is 35
Answer:

Step-by-step explanation:
First open the brackets

Then collect the like terms

Solve the like terms

The simplified form is

The correct answer in my opinion is 2x+3y= -6 <span />
Two angles are supplementary if they add up to 180°.
?+ 30°= 180°
⇒ ?= 180° -30°
⇒ ?= 150°
The measurement of the second angle is 150°.