Answer:
5
Step-by-step explanation:
Let's call the length AD y.

Hope this helps!
Answer:
C, 40%
Step-by-step explanation:
0.15 + 0.25 is 0.4 and in percentage that is 40%
Answer:
for number 6 the answer is 6x = -12
the value of x would be 2
Cross multiply
18 / X = 2.4 / 28
so
18 * 28 = X (2.4)
and that becomes
504 = X * 2.4
then divide by 2.4
X = 210