Answer: 0 ≤ t ≤ 40
Step-by-step explanation:
0 and 40 are included in all 3 number lines.
Midpoint coordinates= ((x1+x2)/2 , (y1+y2)/2)
=((0+-4)/2 , ( 4+-12)/2)
= (-2, -8)
Answer: -3
Step-by-step explanation:
(-1)+(-2)=-3
Answer:
b) -6x - 3
Step-by-step explanation:
3(-2x-1)=3*(-2x)+3*(-1)= -6x - 3
Not very sure.. I'm not too good at this