Add or subtract. Write the answer in lowest terms. - 

A.
B. 7
C.
D.


Answer: D

Mathematics

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Graph the curve whose parametric representation is given. x = t2, y =  + 5; 0 ? t ? 4 

A.

B.

C.

D.

Mathematics

Solve the problem.How much work does it take to slide a box 32 meters along the ground by pulling it with a 212 N force at an angle of 30° from the horizontal?

A. 6784 joules
B.  joules
C. 3392 joules
D. 6784 joules

Mathematics

Find the amplitude, period or displacement.Find the displacement of y = -3 sin .

A. - 
B.
C.
D. - 

Mathematics

Decide which of the 5 properties of a commutative group (closure, identity, inverse, associative, commutative) hold for the given system.

A. None of them B. Closure, identity, inverse, and commutative only C. All of them D. Closure, identity, inverse, and associative only

Mathematics