**Answer:**

33

**Step-by-step explanation:**

**Answer:**

30=x

**Step-by-step explanation:**

**Answer:**

**The answer in interval notation is **

**Step-by-step explanation:**

Consider the provided inequality.

Subtract 2 from both sides.

The value of function is positive for

The value function is zero at

The value function is negative for

The value function is zero at

The value function is positive for

**Since we want the value of function less than 0, so the required interval which satisfy the condition < 0 is:**

**The required number line is shown below:**

**The answer in interval notation is **

**Answer:**

d≤7

**Step-by-step explanation:**

-10d≥-70

d≤7