What is the y-intercept using these coordinates?

(1.8, 2.25) & (4, 5)

Nine more than four times a number is the same as one less than twice the number. find the number?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?