Find the difference.c + d, for c = -9 and d = -5
A. -14
B. 14
C. 4
D. -4
Answer: A
Mathematics
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.sin 50°
A. 0.77 B. -0.26 C. -0.21 D. 0.72
Mathematics
Construct the requested tree diagram.Use the tree diagram to count how many four-child families have two boys and two girls.
A. 6 families B. 4 families C. 2 families D. 8 families
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. x9
B. 
C. x7
D. x
Mathematics
Solve the equation.15y2 + 32y + 16 = 0
A. y = 
, 
B. y = 
, - 
C. y = - 
, - 
D. y = - 
, - 
Mathematics