Solve the system by the substitution or elimination method.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Use a sum-to-product identity to rewrite the expression.cos 28° - cos 62°
A. 2 sin 45° cos 17° B. -2 cos 45° cos 17° C. 2 sin 45° sin 17° D. -2 sin 45° sin 17°
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.cos
A. 
B. 
C. 
D. - 
Mathematics
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.?
How many tickets were sold during week 3?
A. 59 tickets B. 19 tickets C. 30 tickets D. 40 tickets
Mathematics
Solve the compound inequality. Graph the solution set.x + 8 < 5 and -8x < -32
A. ?
B. (-?, -3) ? (4, ?)
C. (-?, -3)
D. (-3, 4)
Mathematics