I need help pleasee

-7, -2.5, -2, -6, -3.7, -1, -4 1/2, -1 1/2, -4/3, -3, -4.01

Step-by-step explanation: these are all numbers less than or equal to -1

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

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.