To get an a in mr. polowski’s biology class, you need a grade of at least 90%.
claudia received an a in mr. polowski’s class last semester.

conjecture: claudia got at least 90% in the class.

use deductive reasoning to verify the conjecture, or provide a counterexample if the conjecture is false.

a.

true; law of detachment

b.

true; law of syllogism

c.

false; not all students who get an a in the class had a grade of at least 90%

d.

false; not all students who get a grade of 90% receive an a in the class

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 avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?