7th grade math help me plz

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .