Evaluate using Table 1 or CAS.
? 2x dx
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Translate the problem situation to a system of equations. Do not solve.Anne has 28 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $2.05. How many nickels and how many dimes does she have?
A. x + y = 28; 5x + 5y = 205 B. x + y = 28; 5x + 10y = 205 C. x + y = 28; 5x + 10y = 2.05 D. x + y = 28; 0.05x + 0.1y = 205
Simplify. Write answers without negative exponents. Assume that all variables represent nonzero real numbers.
A. 
B. -3ab2
C. 3, 3
D. - 
E. 
Simplify the expression involving rational exponents.(-27)2/3
A. -9 B. 9 C. -3 D. Not a real number
Shown here are graphs of y1 and y2. The point whose coordinates are given at the bottom of the screen lies on the graph of y1. Use this graph, and not your own calculator, to find the value of y2 for the same value of x shown.
A. 15.119053 B. -16 C. -15.119053 D. 0.4199736