Answer:
3. is infinitely many solutions because the answer is 0=0
Step-by-step explanation:
3) 6x+4=6x+4
0=0
Answer:
46
Step-by-step explanation:
44+x=90
x=46
Answer:
Mass=1068gr
Step-by-step explanation:
Volume= 7.5 cm x 2.53 cm x 7.15 cm=135.7cm^3
Density=7.87gr/cm^3
Mass=Density*Volume=135.7*7.87=1068gr