Answer:
9/20
Step-by-step explanation:
You set the fraction up at first as 45/100. Then you know that 5 goes into each so you divide by 5
45/5=9
100/5=20
You get 9/20, and this is in simplest form.
Answer:
centre=(25,-17)
radius=19
Step-by-step explanation:
comparing with the formula
(x-h)^2+( y-k)^2=r^2
Next time, use this symbol for exponents: ^
2^4 + 3^2 = 16 + 9 = 25