Find the missing values of the variables

Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 78.7 Mbps. The complete list of 50 data speeds has a mean of x=18.51 Mbps and a standard deviation of s=36.78 Mbps.

Rebecca's bank statement shows a change of - 1.50 $ in her account each week how many weeks will it take before the total change is - $12?

Simplify (4x^4+3x^2) ^3

A farmer owns a total of 9 acres of land. The land is separated into 427 equally sized sections. How many acres are in each section?

X/20+3/4=-1/4 What is x

Mrs. Allen's car uses 8 gallons of gas for a 224-mile trip. Mrs. Owen's car uses 6 gallons of gas for a 210-mile trip. What are the unit rates for each car's gas usage?

A certain drug concentration of 2.145 mg per 1.716 mL, how many mL are needed to give 2.937 gram of the drug.

What is the sum of any rational number and its opposite and why

If a hummingbird were to get all

The product of two positive integers plus their sum is 103. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?