Answer:
6
Step-by-step explanation:
Original price * 1.5 = 9
so..
Original price = 9/(1.5)
Original price =6
I dont think you can do this without finding derivatives.
Cos 28 = 18/ y
so
y = 18 / cos 28
y = 18 /.8829
y = 20.4
I think it’s a (b) because that one makes sence
Answer:
480
Step-by-step explanation:
8x4=32
8x8=64
32x4=128
32x8=256
256+128+64+32=480
