25pts and will mark brainliest. i need this which expression shows the result of applying the distributive property to −2(13x−15) ? 2/3x - 2/5 -2/3x - 2/5 2/3x + 2/5 −2/3x+2/5

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Place the following steps in order to complete the square and solve the quadratic equation,