Answer:
a.) x = 5
x+5-2=8
x+3=8
x=8-3
x=5
The angle sum in a triangle is 180
30 + 45 = 75
180 - 75 = 105.
The remaining angle measure is 105°.
Answer:
6
Step-by-step explanation:
Let Nancy's age be represented by n
Because Isabel is 3 times as old as Nancy, her age would be represented by 3n
Sum of their ages = 24
n + 3n = 24
4n = 24
divide both sides of the equation by 4 to determine n
n = 6