Answer:
-5
Step-by-step explanation:
10 minutes 15 equals -5
Find the sum 2mn + 4n2 and 5m2 - 7mn
<span>5m^2 + (2-7)mn + 4n^2 </span>
<span>=5m^2 - 5mn + 4n^2 </span>
Answer:
35
Step-by-step explanation:
first you need to substitiute the -4 into the f(x) equation which should get you...
3(-4)+5=-7
now sub -7 into g(x)
so, -4(-7)+7=35
so the answer is 35