WILL MARK YOU BRAINLIEST

i believ its b

Step-by-step explanation:

(-1,-3)

Step-by-step explanation:

90 degree rotation = (x,y) —> (-y,x)

x= 149. 24+7=31. 180-31=149

your welcome

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.