7,-11 I think it the answer
Answer:
38
Step-by-step explanation:
-1•f(-9)+7•g(6)
f(-9) is 4
g(6) = 6
-1* 4+7*6
-4 +42
38
100,000 (sorry if I'm wrong)
Answer: 6,160,000 db
Step-by-step explanation:
The sound of a jet engine is 70,000 times louder than that of a lawn mower.
Since we know the sound of a lawnmower, we can multiply that by 70,000 to find the sound of a jet engine:
= Sound of lawnmower * 70,000
= 88 * 70,000
= 6,160,000 db
