What is a half-smirk?

If A person runs at a speed of 3 yards per second. About how many miles per hour does a person run? How many millions is 1 billion dollars? What is the thickness and the diameter of a US NICKEL? What is 0.07 rounded to the nearest whole number? What is the smallest possible four-digit number that can be formed that is divisible by 3 and 5? What If H(x) 4x2 - 16 were shifted 9 units to the right and 1 down what would the new equation be? Where in the bible is the first physician mentioned? How do you make roman numeral 4? What does the word propration mean? Solve equivalent problems? What is 400 divided by five times 20? What are all the prime factors of 350? What is the circumference of a circle with radius 4 feet? What is the value of 15m? What is the perimeter of a square with a side of 5x? What is the tangent ratio for angle B? What is -0.9 x 0.2? What is the second 1st 3 LCM for 9 and13? What is 7 ft equal to? What is my grade if I got three questions wrong out of twenty?