Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 
B. x ? 8
C. x ? 8, x ? -8
D. x ? 64
Answer: C
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Round the decimal to the nearest thousandth.639.7893
A. 639.7810 B. 639.789 C. 639.710 D. 639.7894 E. none of the above
Provide an appropriate response.To encourage conservation, a gas company charges two rates. You pay $0.53 per therm for 0-70 therms and $0.74 for each therm over 70. Write a compound fraction to represent the monthly cost of t therms of water.
What will be an ideal response?
Solve.A vendor has learned that, by pricing caramel apples at $1.25, sales will reach 89 caramel apples per day. Raising the price to
will cause the sales to fall to 49 caramel apples per day. Let y be the number of caramel apples the vendor sells at x dollars each. Write a linear equation that relates the number of caramel apples sold per day to the price x.
A. y = -40x - 139
B. y = - 
x + 
C. y = -40x + 139
D. y = 40x + 39
Find the indicated angle.Find the supplement of 97°.
A. 263° B. 83° C. 173° D. not possible