Answer:
x = 31/3
Step-by-step explanation:
4x+8+2x+20=90
4x+2x+8+20=90
4x+2x+8+20=90
6x+28=90
6x+28-28=90-28
6x=62
x = 31/3
When a number and letter are together, it means multiplication.
So, it is read as "23 times f".
Answer: $12
Step-by-step explanation: 16 - 4 = 12
D: (-infinity, 0) U (0, infinity) because you cant have a zero in the bottom of the fraction
Answer:
B
Step-by-step explanation: