Answer:
(A) 10
Step-by-step explanation:
Let age of Marco's be "x" years
then according to question
Yolanda age will be "2x - 5"
Also in the question it is given that age Yolanda is 15 years.
then, 2x - 5 = 15
Adding 5 both sides of the equation, we will get
2x = 20
Dividing both sides of the equality by 2, we get
x = 10
therefore, Age of Marcus will be 10years
Option (A) is the correct option.
Answer: 
Step-by-step explanation:
In order to find the value of "x", it is important to remember that:

We can identify in the figure that:

Then:

Solving for AB:

Now, since there are 360° in a circle, we know that:

Then we can substitute
into
and solve for "x". This is:

Answer:
8,64,216,512
Step-by-step explanation:
Answer:
Sending care packages is a way to:
ARemember relatives who served incorrect answer
BSupport deployed soldiers incorrect answer
CDonate to military charities incorrect answer
DTeach the history of Memorial Day
Step-by-step explanation:
Answer:
a = 13
Step-by-step explanation:
Hello!! This is how you do it!!
a - 7 = 3 (2)
a - 7 = 6
+ 7. +7
a = 13