Hanai invested $20,000, part at 3% interest and part at 5% interest. the
investment returned $800.

a. what is the system of equations that represents this situation?

b. how was the original $20,000 investment split between the two interest
rates?

c. how would the investment need to be split to make more than $800?
how do you know?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest