Langston has $62 and wants to buy a new guitar to do so he will need $200 plus 7% sales tax if langston makes $22 a week but always puts half into savings for college after how many weeks will he have saved up enough to purchase the guitar

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

I'm confused on this could anyone me and show me what i need to do to solve it.