Answer:
mary=10 jack=15
Step-by-step explanation:
After 4 years Mary (x+4), Jack's age (x+5) + 4.
sum of the ages after 4 years :(x+4) + (x+5) +4=33
Simplifying the equation:
2x+13 = 33 ----->> 2x=20----->>>>x = 10 Mary's age
10 + 5 = 15 which is Jack's age.
Answer:
Addition property of equality
Step-by-step explanation:
The given expression is :

We need to find the first step to solve this expression.
For this, we add 3/4 to both sides of the equation i.e.

So, we have used the addition property of equality.
The answer is C.) line segment
Answer:
See explanation
Step-by-step explanation:
Consider the sequence 
Rewrite it as

The points on the coordinate plane are
(see attached graph).
Since
given sequence is geometric.
Answer:
15x3= - 3 =2
Step-by-step explanation: