Answer:
a equals 105°
Step-by-step explanation:
angles in a straight line add up to 180°
a+75=180
a=180-75
a=105°
Y > -5 is the correct answer.
An open point represents > or <.
The line is to the right, so the symbol is to the left.
Answer:
-5a<13
Step-by-step explanation:
Answer:
7/13
Step-by-step explanation:
Arrange the numbers so that the number of girls in year 10 is the numerator, and the total number of girls is the denominator. (140/260) Simplify this by dividing both numbers by 20.