Question

(a) -10+25=___
(b)5×( )= -4
(c)the sum of the angle of a triangal is ________
(d)3/9+5/9 = _______​

Answer 1

Step-by-step explanation:

a)-10+25

= 15

b)5×_ =-4

let's assume the unknown number 'x'

5× x = -4

x=-4/5 (if the number comes to the other side , the sign will change)

c) 180⁰