Which of the following are point-slope equations of the line going through (-3, -5) and (2, 4)? y - 2 = - 9/5 (x - 4) b. y - 4 = -9/5 (x - 2) c. y + 5 = 9/5 (x + 3) d. y + 5 = - 9/5 (x + 3) e. y - 5 = 9/5 (x - 3) f. y - 4 = 9/5 (x - 2)

Ahigh-altitude spherical weather balloon expands as it rises, due to the drop in atmospheric pressure. suppose that the radius r increases at the rate of 0.02 inches per second, and that r = 36 inches at time t = 0. determine the equation that models the volume v of the balloon at time t, and find the volume when t = 360 seconds. v(t) = 4π(0.02t)2; 651.44 in3 v(t) = 4π(36 + 0.02t)2; 1,694,397.14 in3 v(t) = four pi times the product of zero point zero two and t to the third power divided by three.; 4,690.37 in3 v(t) = four pi times the quantity of thirty six plus zero point zero two t to the third power divided by three.; 337,706.83 in3