Find the value of the variable in problems 6-8

Leo is 13 years old his sister lsabel is n years younger then leo which expression could be used to find lasabel age in years: a 13+n c n-13 b 13-n d n + 13

How many different ways can a cube be sliced in 2 equal halves?

7.30-3.00-1.75 equally divided by 3

How would you do 2 times 25 times 30

Hari had 6 siblings who were born all born 2 years apart. The youngest is Richa who is only 7 years old while Hari is the oldest. What is Hari's age?

How many pounds of coffee worth $6 a pound should be added to 20 pounds of coffee worth $3 a pound to get a mixture worth $4 a pound

Ruby earns $9.50 per hour and a daily bonus of $15. Which inequality could be used to find h, the number of hours Ruby will have to work to earn at least $72?

What is the converse of the statement below? x>Y

Select the ordered pair that is a solution of this equation. -3x - 8y = - 1 Click on the correct answer. (3,-1) (-1,3) (3,-8)

2) Carbon-14 is a radioactive isotope often used in dating archaeological and geological artifacts. If Carbon-14 has a half-life of approximately 6,000 years and you have a 100mg sample then how much of it will be remaining in 18,000 years?