Answer:
See attachment
Step-by-step explanation:
See attachment
Area will change by a factor of 3.5² = 12.25
Answer:
15.7 cm
Step-by-step explanation:
Circle x's circumference is 15 * pi = 47.1 cm
Circle y's is 20 * pi = 62.8
The difference is 62.8 - 47.1 = 15.7
Answer:
x = 3
Step-by-step explanation:
4x + 50 + 28 = 90
4x + 78 = 90
4x = 12
x = 3
Answer:
A
Step-by-step explanation:
because i know it find the fi