Find inverse of f(x)=3x+1

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?