Diallo says that the value of 12-3 to the second power is 81. how did he get that answer

Multiply. write your answer in simplest form. 3/8 x 5/7

The graph represents f(x)=[x]+3. what is f(-2.2)?

He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.