Answer:
10
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
540 is the sum of all angles in a pentagon
The ANGLE STP is 180-50 = 130
540 - 130 is 410
Answer:
a=1/2
Step-by-step explanation:
From the question, the expression a(8x+7) is equivalent to 4x+3.5
Which means that multiplying 8x by a gives 4x and multiplying 7 by a gives 3.5
So, we can write the following to find the value of a

we can write the following
8ax=4x

Hence the value of a is 1/2
Answer:
A
Step-by-step explanation:
Whatever you do to get from 9 to 6 is also done to7.74.
Step-by-step explanation:
estimation of 6$+_+_?_!(_