Which equation represents a line with a y intercept of -5 and a slope of 2/3 a. y=2/3x-5
b. y=-5x+2/4
c. y= -3/10x -5
d. y= 2/3x+5

Plzzz maths ! quadratic sequences=an^2+c 1) 11,17,27,41,59 2) 7,16,31,52,79 3) 6,18,38,66,102 4) 0,9,24,45,72 5) 0,12,32,60,96

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

When y’all answer can y’all explain too !