7/10. Because 0.7 equals 70% . As a fraction it would be 70/100. Simplify, and you get 7/10.
Since

Is a perfect square, we can think of the "-6" at the end as a "+4-10" and we have

Which is the required form
Answer:
A because 72 divided by 8 is 9 and Henry earns $12 per hour and mike get $9 per hour so there is a $3 difference
Step-by-step explanation: