a triangle with a base of 1/2 m has an area of 12 m squared. what is the height in m on the triangle?

How do you use the elimination method for this question? explain, because i really want to understand!

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?