Answer:
yes
Step-by-step explanation:
5x-7+3x =8x-7
3x-7+5x=8x-7
Sorry do know that one !!☹️
The answer is c. 10y and -9y
Answer:
The answer is D 5/19.
Step-by-step explanation:
There are 20 balls and one git removed then 5 are black so you put 5 over the number of balls 20.
<span>an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.</span>