Using the given equation find the missing coordinates of the points and then find the slope of the line for each equation: a) y = 3.5x + 4; A(...; 5), B(10; ...)

b)7x − 5y = 12; A(...; 9), B(4; ...)

c)y = − 37 x +3; A(...; 6), B(9; ...)

d)y = 0.3x + 1; A(...; 9), B(5; ...)

please answer asap
ty :P

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2