Find the trigonometric function value for the angle shown.cos ?
A. cos ? = - 
B. cos ? = 
C. cos ? = - 
D. cos ? = 
Answer: D
Mathematics
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Multiply.(5x2y)(4x5y4)
A. 9x7y4 B. 20x10y4 C. 20x7y4 D. 20x7y5
Mathematics
Use the protractor to find the measure of the angle. Then indicate if the angle is acute, right, obtuse, or straight.
A. 155°, obtuse B. 145°, obtuse C. 35°, acute D. 45°, acute
Mathematics
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.If 309 is subtracted from a number, the result is 707.
A. x - 309 = 707; 1016 B. x + 707 = 309; -398 C. x + 309 = 707; 398 D. x - 309 = 707; -1016
Mathematics
Solve.5(3x) = 45
A. x = 675
B. x = 3
C. x = 30
D. x = 
Mathematics