Solve the problem.The bank's temperature display shows that it is 21° Celsius. What is the temperature in Fahrenheit?
A. 29.4°
B. -6.1°
C. 95.4°
D. 69.8°
Answer: D
Mathematics
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Solve the problem.There are currently 67 million cars in a certain country, increasing by 2.4% annually. How many years will it take for this country to have 91 million cars? Round to the nearest year.
A. 132 yr B. 4 yr C. 13 yr D. 10 yr
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.17x + 18.9 B. y = 1.03x + 16.4 C. y = 1.17x + 16.4 D. y = 1.03x + 18.9
Mathematics
Complete.434 mL = 
L
A. 4.34 L B. 434,000 L C. 43,400 L D. 0.434 L
Mathematics
Solve and graph the inequality. Give answer in interval notation.-1 ? 
? 3
A. [-5, 3]
B. (-1, 7)
C. [-7, 1]
D. (-3, 5)
Mathematics