add 6a and 5a and get 11a
then:
11a=-11
a=-1
Answer:
40%
Step-by-step explanation:
I I think they were asking about percentage decrease.percentage decrease=to decrease over original price x 100%
Answer:
so sample size 9s school population =948
Answer:
70 cm
Step-by-step explanation:
perimeter of rectangle = 2 x (length + width)
2 x (29 + 6) = 70 cm