R6 (15r4-5r2+8)
I maybe wrong.. but i maybe right..
Answer:
E
Step-by-step explanation:
6 x 480 + 8 x 60 = 960..........
12 I’m pretty sure because you have x then 3 then 12
Step-by-step explanation:

9. log(2)=a, log(3)=b, then log(36)=______
log(36) = log(6*6) = log(6) + log(6)
log(36)= log(6) + log(6)
log(36) = log(3*2) + log(3*2)
log(36) = (log(3) + log(2)) + (log(3) + log(2))
log(36) = (a + b) + (b + a)
log(36) = a + b + b + a
log(36) = 2a + 2b