Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.5 + (a + b) as b + (5 + a)

What will be an ideal response?


5 + (a + b) = (5 + a) + b  Using the associative law
  = b + (5 + a)   Using the commutative law

Mathematics

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Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 9.5 ft

A. 283.39 ft2  B. 1,133.54 ft2  C. 119.32 ft2 D. 59.66 ft2 

Mathematics

Graph the function.f(t) = sin (t) - 2 

A.

B.

C.

D.

Mathematics

Multiply and simplify. ? 

A.
B.
C. - 
D. - 

Mathematics

Solve.m - 1 ? -5

A. m ? 4 B. m ? -4 C. m ? -6 D. m ? 6

Mathematics