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?

Scientific notation, The average U.S. citizen consumes about 2.5 × 102 L of...

The average U.S. citizen consumes about 2.5 × 102 L of water per day for various uses. In 2013, there were about 3.16 × 108 U.S. citizens. About how many kiloliters of water were c

Solving for y, -3y=4x+24

-3y=4x+24

Solve each variable, solve each equation for given variable 3ab-2bc=12;

solve each equation for given variable 3ab-2bc=12;

Fractions, how do you solve a different fractions

how do you solve a different fractions

Solving systems in Standard form, I need help with this question from my ho...

I need help with this question from my homework, the wiz tickets are selling fast! Adult tickets are $15 and student tickets are $10. a total of 285 tickets already sold for #3770.

Relationship between the graph of a function and its inverse, There is inte...

There is interesting relationship among the graph of function and its inverse. Here is the graph of the function & inverse from the first examples. We'll not deal along with the

Matrices, I don''t know how to multiply matrices

I don''t know how to multiply matrices

Vertical angles,

Stutdent, #question.3000 board feet of maple lumber for making their classi...

#question.3000 board feet of maple lumber for making their classic and modern maple rocking chairs. A classic maple rocker requires 15 board feet of maple, and a modern maple rocke