Simplify.
A. 24
B. -72
C. -24
D. 72
Answer: B
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Factor the difference of two squares. Assume that variables represent whole numbers.x2 - 36
A. (x - 6)(x - 6) B. (x + 6)(x - 6) C. (x + 36)(x - 36) D. (x2 + 6)(x2 - 6)
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 65°
A. 0.42 B. -0.44 C. -0.56 D. 0.30
Provide an appropriate response.Mark needs x liters of Paint A and y liters of Paint B to get the shade of color that he wants, and he needs at least 35 liters of the mixture.a) Write an inequality to describe the situation.b) Graph the inequality.
c) Is (25, 9) a solution of this inequality?
A. x + y ? 35;
Yes, the point (25, 9) is a solution.
B. x - y ? 35;
Yes, the point (25, 9) is a solution.
C. x + y ? 35;
No, the point (25, 9) is not a solution.
D. y ? 35 + x;
No, the point (25, 9) is not a solution.
Find the cubic or quartic function that models the data in the table.
(Quartic)
A. y = -0.02x4 + 0.22x3 + 1.96x2 - 5.72x - 1.00 B. y = -0.01x4 + 0.27x3 - 1.94x2 + 5.70x - 1.00 C. y = -0.01x4 - 0.27x3 + 1.94x2 + 5.70x - 1.00 D. y = 0.01x4 + 0.22x3 - 1.94x2 - 5.72x - 1.00