Use properties of real numbers to evaluate the expression mentally.
(51) + 
(-9)
A. 
B. 70
C. 35
D. 50
Answer: C
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State the name of the property illustrated.13 ? (3 + 6) = 13 ? 3 + 13 ? 6
A. associative property of multiplication B. distributive property of addition over multiplication C. distributive property of multiplication over addition D. associative property of addition
Solve the problem.Matt bought a 48 oz can of fuel additive for $90.24. Roger bought the 40 oz size for $55.20. Who made the better buy? What was the lowest price per ounce?
A. Matt, $1.88 B. Matt, $1.38 C. Roger, $1.38 D. Roger, $1.88
Solve.One of 15 initial applicants for a certain job will receive a first interview. Of those who receive a first interview, one of 13 will receive a second interview. What fraction of initial applicants will receive a second interview?
A. 
B. 
C. 
D. 
Perform the indicated operation. Express your answer in simplest form.
- 
A. 
B. 
C. 
D. 