Answer:
The father is 50 and his son is 15.
Step-by-step explanation:
Double the tens digit of the father's age = 10
Plus 5 = 15 (the age of the son)
50 + 15 = 65 (the sum of their ages)
The reverse of the digits of the son's age is 51.
Subtract 1 = 50 (the age of the father)
Answer:
Step-by-step explanation:I am pretty sure that there can be as much as possible depending on how it is written in the word problem.
Answer:
1,-10 and 2,-8
Step-by-step explanation:
If you substitute each answer choice:
6+-10=4
12+-8=4
12+8=4
6+2=4
The only ones that would make sense are the first and second one.
X would be 90° ... every x is 90°
Answer:
452.4 cm
Step-by-step explanation:
the formula for the area of a circle is A = pi r^2