Answer:
28.3
Step-by-step explanation:
12/20 = 17/x
cross multiply
12x=340
divide each side by 12
x=28.3333333333.......
round it to nearest tenth
28.3
Answer:
THE 1ST AND 3RD
Step-by-step explanation:
Answer:
6(less than or equal sign) n+15
Step-by-step explanation:
the less than or equal sign is a less than sign with one line under it
I am not exactly sure, but I am almost positive it is a spere