Answer:
3/7
Step-by-step explanation:
√9 = 3
√49 = 7
√9/49 = 3/7
3/10
4/15+x=17/30
x=17/30-4/15
x=17/30-8/30
x=9/30
simplify
x=3/10
Answer:8 planes are shown in the figure
4
3*4+2=14
12+2=14
14=14
