Answer:
8. x=19
9. 42
10. 23
Step-by-step explanation:
8.
x+x+4+3x-9 =90
5x-5=90
x= 19
9.
x=19
x+4= 23
19+23=42
10.
x+4=23
who are you?
i did them both, but one of them might be wrong...
check and see
Expanded Notation Form:
9,000,000
+ 400,000
+ 50,000
+ 2,000
+ 700
+ 20
+ 9
280 units^2 is the answer. broo
B
