Which of the following is a solution to the inequality 3x-y< 5
a) (3,1)
b) (1,-2)
c) (-1,-3)

not possible

Step-by-step explanation:

they are all greater than 5

attachment?

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.