A spring has a natural length of 20cm. If a force of 25N is required to keep it stretched to a length of 30cm, how much work is required to stretch it from 24cm to 34cm?
What will be an ideal response?
1.25J
Mathematics
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Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.From a distance of 44 feet from the base of a building, the angle of elevation to the top of the building is 64°. Estimate the height of the building to the nearest foot.
A. 21 ft B. 90 ft C. 19 ft D. 40 ft
Mathematics
Below is a graph of the distribution of the scores of 10,000 students on a standardized eleventh-grade algebra readiness test.
 figure 1.png)
Mathematics
Solve using a calculator, finding all solutions in [0, 2?). Round to the nearest hundredth.sin3 x - cos x + 1 = 0
A. 3.14, 3.72, 5.71 B. 0, 4.71, 5.71 C. 1.57, 2.57, 3.14 D. 3.14, 3.72, 4.71
Mathematics