Answer:
A
Step-by-step explanation:
The following ratio is true for any circle
= 
← C is circumference
= 
( cross- multiply )
30C = 1440 ( divide both sides by 30 )
C = 48 → A
Answer:
x is greater than 7, so x can be 8 or more.
Answer:
The radius is always half of the diameter. To get this you can divide by two or multiply the radius by two to get the diameter
X + y= 55
x - y= 9
y = 23
x = 32
the numbers are 23 and 32
Answer:
Step-by-step explanation:
1.
x/50= 84/100
x= 4200/100
x= 42
Needed to score a 42/50 to get an 84%
2.
x/75 = 96/100
x= 7200/100
x= 72
Needed to score a 72/75 to get a 96%
