Simplify the expression and write the answer without negative exponents.x-4 ? x-9
A. x-36
B. 2x-13
C. x-13
D. 2x-36
Answer: C
Mathematics
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Find PO when AP = 9.3 dB and Pin = 0.030 W.
a. 88 mW b. 255 mW c. 326 mW d. 408 mW e. 490 mW
Mathematics
Solve.In one week, Manisha worked 33.5 hours walking dogs and earned $244.50, including tips. How much did Manisha earn per hour? (Round to the nearest cent if necessary.)
A. $7.32 B. $7.40 C. $7.28 D. $7.30
Mathematics
Solve the problem.Scrambled Electronics will finance a $235 TV set for $50 down and $38.32 a month for 6 months. How much money can you save by paying cash for the TV set?
A. $279.92 B. $5.08 C. $44.92 D. $55.08
Mathematics
Use the order of operations to evaluate the expression.-8[-1 - 4(4 + 2)]
A. 200 B. 236 C. 240 D. -16
Mathematics