∠a and \angle b∠b are vertical angles. if m\angle a=(4x+23)^{\circ}∠a=(4x+23) ∘ and m\angle b=(5x-7)^{\circ}∠b=(5x−7) ∘ , then find the measure of \angle b∠b.

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)

c

step-by-step explanation:

i would need to see the shape

step-by-step explanation:

x:       y:  

-1         4

0         4

1         6

2         18

3         20