Answer:
x+3
Step-by-step explanation:
combine like terms then simple math
Answer:
16
Step-by-step explanation:
To solve, we can use an equation finding the average of the siblings'ages.

Answer:

Step-by-step explanation:
<u>Distance between two points</u>




Substituting points into the distance formula and solving for d:




Answer:
the area is 30
Step-by-step explanation:
area of triangle =base×height
so ,
base=7.5
height=4
why , shouldn't we take 5(or)6 as height because we shouldn't take slanting lengths as height.
so apply base and height in the formula
7.5×4=30
please follow me
Answer:
52 x 2 + 1 - 1 = 104
Adding some description to extend my answer since the equation was too short.