Answer:13 and 12
Step-by-step explanation: the pattern is add 2 then minus one. But then the 2 continues to 3 4 5 and so on. So u add 5 to 8 which gives 13 then minus 1 again to get 12
Answer:
Step-by-step explanation:
0.5(-5) - 2(2)
= -0.25 - 4
= -4.25
Answer:
B
Step-by-step explanation:
Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).