19
Step-by-step explanation:
when we add 9 and 10 we will get sum 19
Answer:
question 2 answer you wrote correct
question 3 answer is 20
1. x=5
Explanation:
2(2x-3)=x+9
4x-6=x+9
-x -x
3x=15
x=5
2. x=-9
Explanation:
2(x+19)=x+29
2x+38=x+29
-2x -2x
9=-x
-9=x
Answer:
C
Step-by-step explanation:
(2x-3)(4x+5)
=2x(4x+5)-3(4x+5)
=8x^2+10x-12x-15
=8x^2-2x-15
Step-by-step explanation:
D. In a column two-way relative frequency table, each column totals 100%.
