What is the slope of the line with equation y-3=-1/2(x-2)?

What is the value of x in the equation7x+2y=48 when y=3

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points