Answer:
Step-by-step explanation:

Answer:
B and D it ez
Step-by-step explanation:
Question 7:
Diameter = 6.2 cm so Radius = 3.1 cm
A=πr² = 3.14 × 3.1² = 30.1754 cm² = 30.18 cm²
Question 8:
Circumference = 2πr
16π = 2πr
therefore 16 = 2r so r = 8cm
Answer:
n-13
Step-by-step explanation:
im not up for this bc didn't sleep a lot hope i did ok
23% of 134....turn percent to decimal...." of " means multiply
0.23(134) = 30.82 <==