In this figure, line x is parallel to line y. If the measure of angle 7 is 140°, and the measure of angle 2 is represented by (12x – 4)', what is the value of x?
2
4
6 8
5
7
1
3
45
O 144
15
12

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

When y’all answer can y’all explain too !