Evaluate -R -Y for R=-2 and Y:-7

5

Step-by-step explanation:

-2 - (-7)

you have to do the opposite of the sign and switch the last number from negative to positive.

∠cbe and ∠deb are same-side interior angles.

i took the test

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol