How do you verify: - tan^2 x + sec^2 x = 1 i have to match the left side to the right.

the correct answer is x/3+10≥32

hope this !

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.