What is the rate and unit rate for 115 miles on 9 gallons of gas

4+6x-3x^3 in standard form with explanations because i don’t understand

Write the inverse of the logarithmic function used to represent the situation in model 1, f(x)=3+2in x . express the answer in radical form.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?