Answer:
-450
-90
270
Step-by-step explanation: Just did it on edgen-uity
Answer:
13.5
Step-by-step explanation:
5.5+8=13.5
Answer:
15
Step-by-step explanation:
1st multiply the numbers: 25 × 9 = 225
2nd factor the number: 225 = √15^2
3rd apply radical rule: √15^2 = 15
Hope I helped :)