Answer:
20
Step-by-step explanation:
5(-2)+30 = (-10)+30 = 20
Answer:
Yes u can just click the thing that looks like a paper clip.
Step-by-step explanation:
Answer:
6t=9? let me know if that's correct x
Step-by-step explanation:
Answer:
If you've learnt sin(A+B) = sinAcosB + cosAsinB,
sin(4u)
= sin(2u+2u)
= sin(2u)cos(2u) + cos(2u)sin(2u)
= 2 sin(2u) cos(2u).