Which quantity is bigger?, Sam is twice as old as John was two years ago. I...

Sam is twice as old as John was two years ago. If the difference between their ages be 2 years, how old is Sam today?

Algerbra I, I have 4 word problem on my review that I cant figure out. Can ...

I have 4 word problem on my review that I cant figure out. Can you help me?

Vertical angles,

Inequalities, Solve: 3/x+2 less tan or equal to 4

Solve: 3/x+2 less tan or equal to 4

Expression, -4/-1-4/+6

-4/-1-4/+6

Rearraning equations, please help I need step by step on this

please help I need step by step on this

Expressions, what is 6(5*-6)

what is 6(5*-6)

Steve, The following equalities can be used to make conversion factors. 2....

The following equalities can be used to make conversion factors. 2.54 cm = 1 inch 12 inches = 1 foot 1 mile = 5,280 feet 100 cm = 1 m 1000 m = 1 km 36 inches = 1 y

Expression, 7v+4(v+4)

7v+4(v+4)

Homogeneous system of equations, The reduced row echelon form of  is equa...

The reduced row echelon form of  is equal to R =   (a)  What can you say about row 3 of A? Give an example of a possible third row for A. (b)  Determine the values of