Use two equations in two variables to find the following integers:One integer is twice another. Their sum is 39.
A. 13, 26
B. 26, 52
C. 13, 52
D. 16, 23
E. no such integers exist
Answer: A
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Determine the number of terms and name the coefficients of the terms.3y - 2w - s
A. 3; 3, 2, 1 B. 3; 3, -2, 1 C. 3; 3, 2, -1 D. 3; 3, -2, -1
Write the polynomial in descending powers of the variable.-40 - x8 - 24x3 + 48x
A. x8 + 24x3 - 48x - 40 B. 48x - 40 - 24x3 - x8 C. -40 + 48x - 24x3 - x8 D. -x8 - 24x3 + 48x - 40
Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.tan 55° - 
A. 0 B. -1 C. 2 D. 1
Solve the problem.The amount of taxes collected in one year is $16,369,351,462. Round this amount to the nearest hundred-thousand.
A. $16,369,000,000 B. $16,369,400,000 C. $16,369,351,500 D. $16,369,350,000