Two sets of quadratic expressions are shown below in various forms:

line 1: x2 + 3x + 2 (x + 1)(x + 2) (x + 1.5)2 − 0.25
line 2: x2 + 5x + 6 (x + 2)(x + 3) (x + 2.5)2 + 6.25

which line contains three equivalent expressions?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

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?