Solve the problem.On January 5, the temperature at a camp site near the arctic circle was  The temperature dropped  per day for 5 days. What was the temperature on January 10th?

A. 7°
B. -8°
C. 8°
D. -7°


Answer: D

Mathematics

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Factor completely. If the polynomial is prime, so state.8x2 + 6xy - 9y2

A. (2x - 3y)(4x + 3y) B. (8x + 3y)(x - 3y) C. (2x + 3y)(4x - 3y) D. prime

Mathematics

Fill in the blank with the correct inequality symbol.If x < 7, then x - 7  0.

A. ? B. > C. < D. ?

Mathematics

Use the change of base formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log2/319

A. 8.92 B. 7.26 C. -14.52 D. -7.26

Mathematics

Perform the operations indicated. Simplify the answer whenever possible. +  + 

A. 1 
B.
C. 1 
D.  

Mathematics