Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.(y + z) + 4 as (4 + z) + y
What will be an ideal response?
| (y + z) + 4 = 4 + (y + z) | Using the commutative law |
= (4 + z) + y Using the associative law
Mathematics
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Provide an appropriate response.True or False? A geometric line is formed by the shortest path between any 2 points.
A. False B. True
Mathematics
Solve the problem.Roberto invested some money at 8%, and then invested $2000 more than twice this amount at 10%. His total annual income from the two investments was $4120. How much was invested at 10%?
A. $6000 B. $28,000 C. $3000 D. $30,000
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 0
D. 5
Mathematics
Solve.Acme Computer Products finds that the marginal revenue R in producing x computer networking connectors is given by the polynomial function 
dollars/connector. Find an equivalent expression for R(x) by factoring out 
x.
A. 
x
B. 
x(900 - x)
C. 
x
D. 
x
Mathematics