Multiple Choice Question: How many prime numbers are there from 1 to 100, inclusive?

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

Find the equation of the line whose slope is -3 and the x-intercept is 5.
Find the area reflected by the triangle ABC on the xy-plane with A(1, 10, 10), B(6, 2, 4) and C(12, 6, 1).
A definite integral has an integrand which is a fraction with denominator $\sqrt{4x^2 + 1}$. It is to be solved by trigonometric substitution. Which of the following is the appropriate substitution to use?
Given a water droplet with surface tension $\sigma$ and gage pressure $\Delta p$, determine its diameter.
In how many days will the original gang of pipe layers, under the supervision of foreman B, finish the original pipe-laying job?
The sum and product of three distinct positive integers are 15 and 45, respectively. What is the smallest integer?
Find the equation of the radical axis of the two circles having equations of $x^2 + y^2 + 4x + 6y - 3 = 0$ and $x^2 + y^2 + 12x + 14y + 60 = 0$.
$\sqrt[m]{\sqrt[n]{x}}$ could be expressed as…
What is the middle term in the expansion of $(x^2 + 3x)^8$?
The Moody diagram was constructed based on which of the following equations?
To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water. One can squeeze out 0.4 cups of 5% citric acid from an average lemon.
A and B compete in a race. A runs at a constant rate of 126 m/min while B runs 145 m the first minute, 143 m the second minute, 141 m the third minute and so on.
A student goes to the library. The probability that she checks out (a) a work of fiction is 0.40, (b) a work of non-fiction is 0.30, and (c) both fiction and non-fiction is 0.20. What is the probability that the student checks out a work of fiction, non-f
A car that accelerates uniformly passes at point A with a speed of 30 kph. It reaches point B, 21 km from A, after 18 minutes. Find the acceleration of the car.
A trough has an open top 0.30 m by 6 m and closed vertical ends which are equilateral triangles 30 cm on each side. It is filled with water to half its depth. Find the volume of water in cubic meters.