Write the expression in lowest terms.
A. 
B. 
C. 
D. 
Answer: A
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The speed of sound in air changes with temperature. When the temperature is 39 degrees Fahrenheit, the speed of sound is 1095.2 feet per second. For each degree increase in temperature, the speed of sound increases by 1.1 feet per second.
?
A: Explain why the speed 
, in feet per second, is a linear function of the temperature 
, in degrees Fahrenheit.
?
B: Use a formula to express 
as a linear function of 
.
?
C: What temperature corresponds to a speed of sound of 1143.2 feet per second?
What will be an ideal response?
Multiply.5(-9)
A. -50 B. -450 C. -145 D. -45
A triangle has a 22° angle and a 104° angle. What is the measure of the third angle?
a. 144° b. 234° c. 54° d. 126° e. 98°
Describe the natural domain of the function. f(x) = 
- 9
A. The set of all real numbers B. The set of all real numbers except 0 C. The set of all real numbers except -9 D. The set of all real numbers less than 9