1 is x=−3y+2z2 is x=2−2<span>z
3 is </span>x=1−3y over 2
Answer:
4
Step-by-step explanation:
4 is the greatest commen factor of 20 and 84
4 x 5 = 20
4 x 21 = 84
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
× 
Cancel the factor (a - 3) on the numerator and denominator
Cancel the 5 and 15 by dividing both by 5, leaving

Answer:2.5km
Step-by-step explanation:
If you cover 20km in 8 hours
Then 1 hour is 20/8=2.5