Answer:
275
Step-by-step explanation:
since each space ship is 35 point and he lost 5 space ships u go 35x5 which gives you 175.
so since thats his loss you go -175+ 450 which is what you earned that gives you: 275
hope that helps
-18root7
-3root 84*3
-3root4*7*3*3
-3(2*3)root7
.............................
B.
Both sides of equation are the same, making the amount of solutions infinite.
15i-18=12
15i=12+18
15i=30
i=30/15
i=2