The answer to your question would be $18
Answer:
422.4cm²
Step-by-step explanation:
area of circle is pi x 12² which is 144 pi
144pi subtract 30 is 422.4
Answer:
w=4
Step-by-step explanation:
adding a negative is like subtracting so w=11-7
Answer:
3.98 x 10^7
Step-by-step explanation: