Answer:
This tree has one line of symmetry.
First you distrbut the 5 which would give you
then you distribut the 3
then you solve for x
5x-30=3x-15
5x=3x-45
2x=45
x=22.5
Answer:
6=2+2+2
Step-by-step explanation:
-In mathematics, a quaint number is a number that can be written as the sum of two or more prime numbers.
-The multiple divisors of 6 in a factor tree are 2,2 and 2
-6 can thus be written as 2+2+2:
6=2+2+2
-Hence 6 is a quaint number
Option a) is correct
4 x 7 = 28