Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Identify the type of sampling described by the proposal.The names of 90 employees are written on 90 cards. The cards are placed in a bag, and three names are picked from the bag.
A. simple random sample B. convenience sample C. stratified sample D. cluster sample E. systematic sample
Mathematics
Solve the inequality symbolically. Express the solution set in interval notation.
< 
A. (-?, 
)
B. (4, ?)
C. (2, ?)
D. (
, ?)
Mathematics
Find the area.Find the area of a square measuring 85 km on a side.
A. 14,450 km2 B. 340 km2 C. 7225 km2 D. 170 km2
Mathematics
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.24 + 34 + 44 + . . . + 74
A. 
B. 
C. 
D. 
Mathematics