Answer:
mm + nn = -12
mm - nn = 5
Step-by-step explanation:
two equations can be derived from the question
Answer:
Step-by-step explanation:
84 is twice 42
Multiply the numerator and the denominator of 42/50 by 2:
42/50 = (42×2)/(50×2) = 84/100
Answer:
It's B for edge 2020
Step-by-step explanation:
#12:
p= 2.8y+2.2y+2x+5x+4x
p= 5y+11x
#14:
p= 2h+2h+4j+4j+4j+4j
p= 4h+16j
Answer:
<h2>

</h2>
Solution,

Hope this helps...
Good luck on your assignment...