There are 5 pencil-cases on the desk. Each pencil-case contains at least 10 pencils, but not more than 14 pencils. Which of the following could be the total number of pencils in all 5 cases?\(\)

A bird traveled 72 miles in 6 hours flying at constant speed. At this rate, how many miles did the bird travel in 5 hours?

If David has twice as many nickels as Tom, and Tom has 15 more nickels than John, what is the value in dollars of David’s nickels if John has 6 nickels?

An angle has the measure \(\dfrac{5\pi}{6}\) radians. What is the measure of the angle in degrees?

Which of the following expressions is equivalent to:

\(2(x − 2)^2 − 1\)

Which of the following statements is (are) true about a circle whose equation is \((x-4)^2 + (y+3)^2 = 25\)?

I. The radius of the circle is \(5\)

II.The center of the circle is \((-4, 3)\)

The speed of a subway train is represented by the equation \(v = t^2 + 2t \,\) for all situations where \(0 ≤ t ≤ 7\), where \(v\) is the rate of speed in km per hour, and \(t\) is the time in seconds from the moment the train starts moving.

In km per hour, how much faster is the subway train moving after 7 seconds than it was moving after 3 seconds?

The sum of two positive integers is 13. The difference between these numbers is 7. What is their product?

Approximately 4 out of every 25,000 males has a genetic mutation resulting in hemophilia. Approximately how many male Americans would be expected to have this genetic mutation if the current male population of America is 163 million?

A tech company surveyed users to gauge satisfaction with their new messaging app. A random sample of 1000 active users was selected. All 1000 responded, and 78% reported being satisfied with the app. Based on this information, which of the following statements must be true?

I. The survey results have a margin of error, and the true satisfaction rate among all users is likely within this margin.

II. If another random sample of 1000 users were surveyed, exactly 78% would report being satisfied.