HELP PLZ

62

Step-by-step explanation:

180-31-87=62

the internal angles of a triangle are always 180°

Option 2

Step-by-step explanation:

Angles in a triangle add up to 180 °.

To find the value of x, we'll subtract the other angles from 180°.

x = 180-87-31

x = 62 degrees

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.

answer: he is 272195

step-by-step explanation: all you have to do is multiple 3535 and 77 and it equals 272195