Describe the relationship between circumference and area. asap please

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30