Abiology class examined some flowers in a local meadow. out of the 40 flowers they saw, 8 were perennials. what percentage of the flowers were perennials? write your answer using a percent sign (%).

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

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?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7