WILL GIVE BRANLIEST. Which of the following statements are true?
Select 4 correct answers

1. All of the coordinate pairs in Quadrant 1 are positive.

2. All of the coordinate pairs in Quadrant 3 are negative.

3 All of the coordinate pairs in Quadrant 2 are positive.

4 Everything to the left of zero on the x axis is negative, everything below zero on the y axis is negative.

5The x axis is positive in quadrants 1 & 3

6 The y axis is negative in Quadrants 3 & Quadrant 4.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.