Answer:
For question 9, the answer is B. This is because for first step, she should have done:
8(n+20) = (8*n) + (8*20)
Step-by-step explanation:
Answer:
m(angle1)=79-39=40
m(angle2)=79+61=140
Step-by-step explanation:
m(angle1)+m(angle2)=180
x-39+x+61=180
2x=158
x=79
m(angle1)=79-39=40
m(angle2)=79+61=140
Answer:
20 seconds
Step-by-step explanation:
roots are (0,0) and (20,0) so 20-0 will provide the time from takeoff to landing