Answer:
a) 2.6
b) -15
c) 9
d)
e) 1.26
Step-by-step explanation:
24
6 divided by 5 times 20 =24
6/5*20= 24
I think it's C a triangular pyramid.
angles in linear pair are 90° hope it helps u ♥♥♥♥♥♥♥
2.5, 5, 7.5
Count.