Solve the problem.The following data represents the temperature T (°Fahrenheit) in a certain city x hours after midnight over the course of one day.
a) Find the average rate of change in temperature from 6 AM to 12 noon. Round to two decimal places.b) Find the average rate of change in temperature from 6 PM to 9 PM. Round to two decimal places.c) Decide on a function of best fit to these data (linear, quadratic, or cubic) and use this function to predict the temperature at 4 PM. Round to one decimal place.
What will be an ideal response?
a) 1.07°/hr; b) -0.33°/hr; c) 68.8°F
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Use a special product formula to simplify.(10a - 7)2
A. 100a2 - 140a + 49 B. 100a2 + 49 C. 10a2 + 49 D. 10a2 - 140a + 49
Find the least common multiple of the pair of polynomials. x2 + 2x - 3, -3x + 3
A. -3(x + 3)(x + 1) B. -3(x + 3)(x - 1) C. -3(x - 3)(x + 1) D. -3(x - 3)(x - 1)
Solve the problem.There are two types of tickets for a school play: student tickets and tickets for the general public. The total cost for one student ticket and one general public ticket is 
The total cost for 10 student tickets and 12 general public tickets is 
How much does a student ticket cost?
A. $1 B. $3 C. $8 D. $2
Solve triangle ABC. If necessary, round the answer to the nearest tenth.A = 38.2°, C = 92.7°, b = 16.6 centimeters
A. B = 130.9°, a = 10.3 cm, 
cm
B. B = 130.9°, a = 13.6 cm, 
cm
C. B = 49.1°, a = 13.6 cm, 
cm
D. B = 49.1°, a = 10.3 cm, 
cm