Answer:
x=1 y=4
Step-by-step explanation:
Answer:
x=2/5 or
x=0.4
Step-by-step explanation:
Answer:
153.9
Step-by-step explanation:
Area of a circle formula:
Pi*r*r of Pi*r^2
pi*7*7= Area of circle
pi*49
49* 3.14 is around 153.86 which is around 153.9