Solve.After being struck with a hammer, a gong vibrates 44 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 55 vibrations
B. 230 vibrations
C. 220 vibrations
D. 50 vibrations
Answer: C
Mathematics
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Estimate the value of the quantity.A piece of tissue paper is picked up in gusty wind. The table shows the velocity of the paper at 2 second intervals. Estimate the distance the paper travelled using 
A. 215 ft B. 119 ft C. 238 ft D. 218 ft
Mathematics
Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 1960u B. 1960v C. 1120v D. 1120u
Mathematics
Solve the problem.On a math test, 24 students got the following scores listed below. What percent of the students earned a grade that was below 90? Round to the nearest percent
What will be an ideal response?
Mathematics
Insert ? or ? in the blank to make the statement is true.{10} 
{8, 10, 12, 14}
A. ? B. ?
Mathematics