Translate using numbers and symbols.a number plus seven
A. 7x
B. x × 7
C. x + 7
D. x - 7
Answer: C
Mathematics
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Find the limit.
cos(x + ?)
A. 0
B. -
C. 
D. 1
Mathematics
Solve the problem. Assume projectile is ideal, launch angle is measured from the horizontal, and launch is over a horizontal surface, unless stated otherwise.What two angles of elevation will enable a projectile to reach a target 
downrange on the same level as the gun if the projectile's initial speed is 
Assume there is no wind resistance.
A. 0.02° and 89.98° B. 29.69° and 60.31° C. 59.38° and 30.62° D. 29.69°
Mathematics
For the given matrix A, find -A.A = 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = cos ?Find [g(?)]2.
A. - 
B. 
C. 2
D. 
Mathematics