The coefficient of x^3y^4 in (3x+2y)^7 is

The verbal translation for the difference of m and 7 increased by 15

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?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me