Answer:
Quadratic polynomial is x^2 - x - 20
Answer:
a+b
Step-by-step explanation:
Answer:
4/3
Step-by-step explanation:
multiply by the reciprocal
×
= 
Answer: He earned 0.831% interest in total.
Step-by-step explanation:
Given: Shawn earned $2.77 per day for three days as interest on his $1,000.00 investment.
Interest per day = $2.77
Interest in 3 days = 3 x ($2.77)
= $8.31
Invested amount= $1000
Required percentage of earnings = 

Hence, he earned 0.831% interest in total.