The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18
Answer:
the following term =

Step-by-step explanation:
here's the explanation in attached image.
i hope it helped
(a+a+6)*2.5=345
2a+6=138
a=132/2
a=66 mph
a+6=66+6=72 mph
Speed of the first car is 72 mph
Answer:
-5 1/3 - 3 1/3
Step-by-step explanation
both expressions equal -8 2/3
Each friend should get 20% of 4 pounds
kelvin should get 20% as well.
everyone gets: 0.8 pounds of nuts.