Answer:
5.6
Step-by-step explanation:
take the slash away and add a decimal
x = 7
I hope this helps!
70, I think
f(10)= -10^2- 3(10)
f(10)= 100-30
f(10) = 70
a(2ab+cd
(2×5×6)+(4×3)
60+12
72
b)abc
5×6×4
120