Solve the problem.In a certain memory experiment, subject A is able to memorize words at a rate given by 
In the same memory experiment, subject B is able to memorize at the rate given by 
How many more words does subject B memorize from t = 0 to t = 17 (during the first 17 minutes)? Round to the nearest word.
A. 97 words
B. 82 words
C. 29 words
D. 10 words
Answer: D
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Use a calculator to perform the operation. Express your answer in scientific notation.
A. 2.87 × 1027 B. 2.865657742 × 1027 C. 6.62 × 101 D. 2.87 × 1025
Find x:
41 ÄÄ = 5 x2 a. 1.073 b. 1.365 c. 2.864 d. 2.073 e. 2.733
Solve for the unknown in the equation.4Z - 3Z + 15= 6
A. Z = -9 B. Z = 21 C. Z = 9 D. Z = -21
Solve the problem.Kayla, a photographer, can produce prints of her photos at a cost of $3 per print, with a setup cost of $35 per run. She sells the prints for $9 each. Write an equation for the profit. Let P represent the profit and x represent the number of photos produced. Graph the equation by hand. Use the graph to determine the the number of prints produced and sold to obtain a profit of $0. 
A. P = 6x + 35; 6 prints
B. P = 9x + 35; 4 prints
C. P = 9x - 35; 4 prints
D. P = 6x - 35; 6 prints