What is the x-intercept of -2x + 5y = 20 ?

question 1 options:

10

4

-4

-10

What are the values of m∠abc, m∠cbf, m∠abd and m∠dbe in the given figure? explain or show your work?

What is the slope of the line shown below?

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?