Its c (9) because the opposite of -9 is 9
Answer:
x=75
Step-by-step explanation:
A( I mean angle)+B+C+D=360°
A=C
B=D
2A+2D=360°
A+D=180°
30°+x+x=180°
2x=150°
x=75
I think that the answers is b
Answer:
f(x)=13
Step-by-step explanation:
f(x)= -5 × -2= 10 + 3 = 13
-4+1= -3 -3•-6=18 first you add what's in the parentheses then multiply by the outside.
