2- a line passes through (1, –5) and (–3, 7).write an equation for the line in point-slope form. rewrite the equation in slope-intercept form

Hello : let  A(1,-5)    B(-3,7)
the slope is :   (YB - YA)/(XB -XA)
(7+5)/(-3-1)  = -3
an equation is : y=ax+b     a is a slope

y = -3x +b

the line through point  (1,-5) :  -5 = (-3)(1)+b
b =-2
the equation is : y =-3x-2

or : 3x+y= -2

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐