Simplify the expression

4a+9+a

Which survey is biased? A. Going to a grocery store and asking people what their favorite grocery store is. B. Going to a grocery store and asking people what type of food is their favorite. C.

Find the solution to the system 4x - y = - 12 and - x - y = 3

One bottle of shampoo costs $6 for 8 ounces. A second bottle costs $4 for 5 ounces of shampoo. How much cheaper is the cheapest shampoo?

Mark makes commission on his sales of software. If he sells up to $20,000 in one month his commission is 10% of the total. If he sells more than $20,000 in one month he earns 15% of the total.

What is the scientific notation of 345,000,000,000?

Each week, steven gets an allowance of $8 plus $3 for each chore he does. his younger sister jill gets an allowance of $6 plus $2 per chore.

Proof 17 is a irrational number

For a walk a thon a sponsor committed to give you a flat fee of $5 plus $2 for every mile

What does it mean when solving volume and the problem states what is the volume in terms of pie

One number is 9 times the other. Find the two numbers if their sum less 10 equals 50