Answer:
...
Step-by-step explanation:
Im going to need a question before i can properly answer this.
Answer:
$30.
Step-by-step explanation:
70/28 = 2.5
12 x 2.5 = 30
4x = -36 Subtract 10 from both sides
x = -9 Divide by 4 on both sides
So check the picture below
if we check the solutions or zeros for the equation, we get

and as you can see in the picture, the value of "x" when y = 3.5, or the height of the truck is

the truck, ends up with a clearance of

on either side, so, the maximum clearance, the truck can have, those two clearances added together,
15.87% of the population does not meet the minimum standards.
We use z-scores to find this probability:
z=(X-μ)/σ = (85-100)/15 = -15/15 = -1
Using a z-table (http://www.-table.com) we see that the area to the left of, less than, this is 0.1587. This is 15.87%.