Answer:
15
Step-by-step explanation:
Area= 1/2 base x height
Area= 1/2 8x5
Area= 40/2
Area= 20cm^2
Answer: y=5x-8
Step-by-step explanation: slope intercept form is y=mx+b. M stands for the slope and B stands for the y-intercept. You just need to input what the question is telling you.