45x+2y because you say 42 plus 3. You can do anything with the 2y because you can’t add anything to it.
Answer:
85 meters in total
Step-by-step explanation:
The submarine first descended 45 meters and then 40 meters
45+40=85
Answer: 17000
Step-by-step explanation: Multiply the mass value by 1000
Answer:
Step-by-step explanation:
x^2 + x
x(x + 1)
x is GCF
$30 because 25/20 =5 which means for every 20% percent 5 will be added