Step-by-step explanation:
mean=sum of observarion/totalno. 9f ovservation
14+16+x/3=12
30+x=36
x=6
Answer:
multiply -4 by each element in the matrix
Step-by-step explanation:
-32
4
20
-36
Answer:
32 inches
Step-by-step explanation:
1 trucks= 8 inches
4 truck= (4×8) 32 inches
Answer:
x<-1
Step-by-step explanation:
Answer:
0.69 miles per hour
Step-by-step explanation:
speed =distance/time
speed= 506/723
506/723=0.69