Triangle abc has vertices at (-4,0) (-1,6) and (3,-1) what is the perimeter of triangle abc rounded to the nearest tenth.

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?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Is the power produced directly proportional to the wind speed, give reasons for your answer?