Hello,
5i or -5i since there would be at least 4 roots
Answer B and E
Answer:
D
Step-by-step explanation:
5x-2+2x+1
5x+2x+1-2
7x-1
Robin has to go shopping for her brother's birthday.
She already bought "x" presents for him.
The next day, Robin bought "2" more presents for him just in time for his birthday.
When she got home and celebrated his birthday, her beother opened, in total, "9" presents.
--- What is the number of presents that Robin had originally purchased? ---
Answer:
A constant of $20 can be multiplied by the number of months to find the amount in the account.
Step-by-step explanation:
4×20=80
7×20=140