Please help. answers:

a. A(–12, –7), B(8, –2), C(0, 7)

b. A(–6, –7), B(4, –2), C(0, 7)

c. A(–3, –3.5), B(2, –1), C(0, 3.5)

d. A(–12, –14), B(8, –4), C(0, 14)

Clara solved the equation 7/3x = −2/3 as shown → 7/3x( 3/7 ) = −2/3 ( 3/7 ) x = −14 what is clara’s error?

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

What could explain what happened when the time was equal to 120 minutes