After college Gerald wants to take a graduation trip to China. He wants to save $4,000 for his trip in four years. About how much does Gerald have to save each month if his savings earns 7% interest compounded monthly?

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

1,589.63 in.^3

step-by-step explanation:

i hope this you : d

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11