Answer:
a. 12
b. -12
c. negative cuz the signs are different
Step-by-step explanation:
(10x-4)/5=20
decimal is x= 10.4
1. 112 cm
2 135 ft
3 53.67
9
so we know that its a right triangle and 8 and are not the hypotenuse.
the equation for this is += with c being the hypotenuse.
+=
64+17=
81=c
=c
9=c
i think either b or c