Mark's stock portfolio grows according to the formula a=2 * x^2 + 7 *x + 2 , where a is the amount in the portfolio, in thousands, and x is the amount of time the money has been in the portfolio, in months. When will Mark's portfolio be at a value of $6,000?

17 1/3

step-by-step explanation:

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)