Let f (x) = x2 - 81. find f-1 (x).

A cake recipe calls for 30 milliliters of water for every 20 milliliters of cooking oil. How many milliliters of water are needed if 50 milliliters of cooking oil were used?

In a scatter plot whose data has no correlation, the trend line has a negative slope. True or false?

Suppose f (x) = 2x-5. Find the value of f (3)

The volume of a rectangular prism is 12x^5-27x^3. What are the dimensions of the prism? Show all work.

Add. 3/10 + (-7/20) Enter your answer

The line parallel to the x axis and 6 units below it

A clock has a face with a radius of 11.5 centimeters. What is the approximate circumference of the clock? A. 72.22 cm B. 36.11 cm C. 3.66 cm D. 18.06 cm

In 9 hours, Jane reads 63 chapters of a book. whats is her rate in chapters per hour?

How does the graph of y = 3^-x compare to the graph of y = (1/3) ^x? A. The graphs are the same. B. The graphs are reflected across the x-axis. C. The graphs are reflected across the y-axis.

Convertfraction to percent 63/50 39/40 14/25 11/16 18/20 15/10