Write an equation for the line described. Give your answer in slope-intercept form.m = 
, b = -3
A. y = -3x + 
B. y = 
x + 3
C. y = 
x - 3
D. 
x - 3y = 0
Answer: C
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Solve the problem.A loaf of bread is removed from an oven at 
and cooled in a room whose temperature is 
. If the bread cools to 
in 20 minutes, how much longer will it take the bread to cool to 
A. 11 min B. 30 min C. 10 min D. 21 min
Find the probability.You are dealt one card from a 52-card deck. Find the probability that you are dealt a numbered card or a diamond.
A. 
B. 
C. 
D. 
Find all the complex roots. Write the answer in the indicated form.The complex cube roots of 125(cos 273° + i sin 273°) (polar form)
A. -5(cos 91° + i sin 91°), 5(cos 211° + i sin 211°), -5(cos 331° + i sin 331°) B. 5(cos 91° + i sin 91°), 5(cos 131° + i sin 131°), 5(cos 171° + i sin 171°) C. -5(cos 91° + i sin 91°), 5(cos 131° + i sin 131°), -5(cos 171° + i sin 171°) D. 5(cos 91° + i sin 91°), 5(cos211° + i sin 211°), 5(cos 331° + i sin 331°)
Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.f(x) = 0.4x2 - 3
A. 2; 2 B. 2; -2 C. -2; 2 D. -2; -2