The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
Estimate the temperature at 9:45 a.m.
A. -1°F
B. -11°F
C. 1°F
D. 11°F
Answer: B
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Find the LCM of 6, 7, and 30.
A. 1260 B. 1050 C. 210 D. 1470
Use the formula B = P + Prt, which is used to calculate the balance in an account if simple interest is added to a principal P at an interest rate of r for t years.Suppose that an account earns 6.4% interest and after five years the balance is $7,754.00. Find the principle that was invested.
A. $11,402.94 B. $5,286.82 C. $7,049.09 D. $5,874.24
Use the graph to estimate any solutions to the given equation on the interval 
cos x = sin x cos x
A. None
B. 0, 
, ? , 
C. 
, 
D. 0, ?
Provide an appropriate response.The demand function for a manufacturer's product is p = f(q) = 600 - 2q, where p is the price (in dollars) per unit when q units are demanded (per week). Find the level of production that maximizes the manufacturer's total revenue and determine this revenue.
Fill in the blank(s) with the appropriate word(s).