Answer:
f = -15
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
y=2x-1 your welcome I need to put more characters so skdjdnnn
Okay okay okay
Answer:
r = 
Step-by-step explanation:
12 -
= 5
6 × 12 × r × 6 -
= 5 × 6
72r - r = 30
71r = 30
r = 30 ÷ 71
r = 