Solve.One bag of Alice's favorite cookies contains 421 calories. How many calories are in 4 bags of cookies?
A. 1680 cal
B. 1600 cal
C. 2124 cal
D. 1684 cal
Answer: D
Mathematics
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Sketch the graph of the parabola. : 2x + 7y² = 0
 figure 1.png)
Mathematics
Use the REGRESSION feature on a graphing calculator.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. 
Use linear regression to find a linear function that predicts a student's course grade as a function of the number of hours spent in lab.
A. y = 88.6 - 1.86x B. y = 1.86 + 88.6x C. y = 0.930 + 44.3x D. y = 44.3 + 0.930x
Mathematics
Simplify.
A. 5x5
B. 25x5
C. 5x
D. 5x5
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-60°)
A. - 
B. 
C. 
D. - 
Mathematics