Answer:
Inequality :

Step-by-step explanation:
Let the unknown number be x
at most -70 = ≤ -70

Solving further :

The answer to this problem is 12.
Answer:
The tallest bar on the chart would be for the a column of 4 students received an A on the test
Step-by-step explanation:
The tallest bar on the chart would be for the a column of 4 students received an A on the test.