Find the range of the data set.11.2, 7.6, 8.5, 6.3, 9.1
A. 8.8
B. 4.9
C. 11.2
D. 8.1
Answer: B
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Which of the following would not be a valid method of justifying the surface area of a sphere formula? ?
A. ?Taking apart the cover of a baseball. B. ?Placing square units over a sphere. C. ?Painting a sphere and determining the amount of paint used (in gallons/liters) and then converting this figure into square units. D. ?Tessellating a sphere with shapes with known areas. E. ?None of the above.
Find the inverse, if it exists, of the given matrix.A = 
A. No inverse
B. 
C. 
D. 
Solve the problem.Annika invested in a plan that has an APR of 8%. She invested in a 11% APR account $2500 more than she invested in the 8% account. If the total interest from the investments after 1 year is $3695, then what is the total amount that she invested?
A. $33,500 B. $38,500 C. $20,500 D. $36,000
Write the decimal as a percent.0.7
A. 700% B. 0.7% C. 0.07% D. 70%