Answer:
Step-by-step explanation:
area = 
so it's 
= 153.938... 
circumference is 2
r = 2*
*7 = 43.98229 cm
Answer:
there are cute boys on Tik-tok or you can try and think about something happy
Step-by-step explanation:
Step 1: Subtract 28x from both sides.
4x2−28x=28x−28x4x2−28x=0
Step 2: Factor left side of equation.
4x(x−7)=0
Step 3: Set factors equal to 0.
4x=0 or x−7=0
Answer:x=0 or x=7