Provide an appropriate response.Suppose you want to solve the following problem. A teacher can grade 7 essays in 2 hours. At this rate, how many essays will she be able to grade in 5 hours? Which of the following proportions will give the correct answer?
A. (i) only
B. (i) and (iv)
C. (ii) and (iv)
D. (iii) only
Answer: B
Mathematics
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Write the decimal as a percent.9.9
A. 99% B. 990% C. 0.99% D. 0.0099%
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Find the differential of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the expression in lowest terms.
A. 4 B. -1 C. Already in lowest terms D. 1
Mathematics
Set up an integral or sum of integrals and then find the area bounded by y = x2 + 3 and y = -5x - 3.
A. 
= - 
B. 
= 
C. 
= - 
D. 
= 
E. none of these
Mathematics