If x=6, find the value of

a) x + 4

b) 3x

c) x/2

Birth weights of full-term babies in a certain area are normally distributed with mean 7.13 pounds and standard deviation 1.29 pounds. A newborn weighing 5.5 pounds or less is a low-weight baby.

Emily's meal cost 32.75 and Darren's meal cost 39.88. Emily treats Darren by paying for both meals and leaves a 14% tip. Find the total cost

Sharon paid 78.00 sales tax

Is - 3 less than equal to or greater than - 12

A lottery has a grand prize of $160,000, two runner-up prizes of $20,000 each, eleven third-place prizes of $4000 each, and twenty-one consolation prizes of $800 each.

Paulina's been saving $8.50 each week for 16 weeks. How much money would he have left if he bought a game for $69.95?

A slide is 21 ft long. To get to the top of the slide, you use a vertical 9 foot high rung ladder. What is the distance, b, from the bottom of the slide to the bottom of the Stairs? Round your answer to the nearest tenth.

You have 1/2 cup of yogurt. How much do you have when you triple it?

Solve for x 3{x-2}+1=3x-5

You and your 2 siblings split 300 PS4 on sale for 30% off after 6% tax how much do you each pay