Solve the problem.Mara can type 31 words per minute. How many words would she type in 
hour (40 minutes)?
A. 1240 words
B. 827 words
C. 47 words
D. 21 words
Answer: A
You might also like to view...
A population is modeled by the function
.
For what value of N is the population growing at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Find the inverse of the relation.{(11, 9), (-9, 18), (1, 19)}
A. {(11, 9), (-9, 18), (1, 19)} B. {(11, 18), (11, -9), (19, 1)} C. {(9, 11), (18, -9), (19, 1)} D. {(9, 11), (1, -9), (19, 18)}
Solve the variation problem.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $3000.00 with an interest rate of 8% earned $480.00 in simple interest. Find the amount of simple interest earned if the principle is $1000.00 and the interest rate is 5%.
A. $300.00 B. $160.00 C. $10,000.00 D. $100.00
Solve the equation.
= 
A. {-216} B. {-6} C. ? D. {6}