Answer:
A and C the other two are just stand alone numbers. so the answers are A and C
Because it's decreasing, you use the formula (1-x/100)y with x the percentage decreased which is here 40, and y the number decreased which is here 90
So we get
(1-40/100) * 90
(100/100 - 40/100) * 90
60/100 * 90
5400/100
54
So 90 decreased by 40% is 54
Hope this Helps :)
Answer:
C = 2πr or C = πd
Step-by-step explanation:
Hope this helps :)
