Do you capitalize "is" after "! "
"hello! " is blah

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What’s the answer ? use the picture to see the problem