Answer:
K=27
Step-by-step explanation:
3(-21+k)=18
-63+3k=18
3k=18+63
3k=81
K=81/3
K=27
He has to sell 60 t-Shirts. if you need the work message me :D
Answer:
Step-by-step explanation:
(a)
perfect positive correlation.
As x increases by 1, y increases by 1
y is 1 times x
equation: y = x
(b)
perfect negative correlation.
As x increases by 1, y decreases by -4
y is
times x
equation: y = -4x
£6.72 not sure but think that’s right, because you divide by ten for ten percent and multiply it by two (20%) then add it to £5.60
Answer:
the second one
Step-by-step explanation: