Answer: He now weighs 4.2 kg because 4/10 of 3 is 1.2 and 1.2+3=4.2
Answer: x=6.3518
Step-by-step explanation:
Answer:
(6,8)
The rule for 90 degree rotation is (x,y)=(-y,x)
So the answer is (6,8)
My guess is that the answer would be C