Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is an hexadecimal (Base 16) digit (0-9 plus A-F or a-f).

How long does it take Natsumi to paint 1 square meter?

Ellie uses 12.5 pounds of potatoes to make mashed potatoes. She uses one-tenth as many pounds of butter as potatoes. How many pounds of butter does Ellie use?

Julie makes and sells shirts for children and adults. She sells the shirts for $20 per unit. Material for the shirts cost $6 each. She has fixed costs per month of $420 and estimates that she can make and sell 80 shirts each month.

A liter is equal to centiliters. Is a centiliter a greater measure than milliliter?

A school baseball team has 65 players. What is the probability that a randomly chosen player is a junior or a right handled batter?

Write an equation for the sentence: the difference of 6n and - 5 is - 13

What is the slope of the line represented by the equation f (x) = 2/3x - 4?

Find the mean of the data set. if necessary, round to the nearest tenth. 18 14 8 22 25 8

An airplane is flying due west at a velocity of 100 m/s. What is the magnitude of the airplanes resultant velocity?

A population of fish starts at 8,000 and decreases by 6% per year. what is the population of fish after 10 years? 14,327 839 7,680 4,309