Is 0.3333 a rational number and why

Solve for x. 82x · 8x = 64 A) x = 0 B) x = 1 C) x = 5/9 D) x = 2/3

Is f (x) = sec x concave up or concave down at x = 17/pi/4

A stack of paper is 8 1/2 inches long by 11 inches wide by 4 inches high. What is the volume of the stack of paper

Given a right triangle with legs a, b and hypotenuse c, solve for c if a=11 and b=60. c=3721 Miss Beta was watching a classic film in the theater. c=121 The victim did not have a venomous bite. c=71 Mr.

What would the temperature be on a hot day? 32°F 10°C 35°C 0°F

X and Y are independent random variables. X is normally distributed with mean 1 and variance 1. Y is normally distributed with mean 3 and variance 5. What is the variance of Y - 2X?

Simplify - 2/3 - 3/5.

Alive, Kathy and Sheila work as medical assistant at valley clinic. Alice has work 8 years longer than Kathy. Kathy has worked half as long as Sheila. If Sheila has worked at the company for 10 years how many years has Alice worked there?

A population of bacteria grows by a factor of 1.32 in one hour. What is the hourly growth rate?

An airplane took 4 hours to fly 2400 miles against headwind. The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind.