Answer:
B
Step-by-step explanation:
I used the quadratic formula
Answer: He still has to mow 45 lawns, or 75% of the lawns before he is finished.
Given:
The slope of the line joining points (3,2) and (0,a) is -1.
To find:
The value of a.
Solution:
If a line passes through two points and , the slope of a line is:
The slope of the line joining points (3,2) and (0,a) is -1. So,
Multiply both sides by -3.
Therefore, the value of a is 5.
Answer:
Oliver uses the school transport to go to school.
On any day, the probability his bus is late is 0.3.
The following tree diagram shows the possibilities as to his timing for school on Monday and Tuesday