Simplify the expression. If any variables are present, assume that they are positive. ? 

A. 64
B. 16
C. 128
D. 8


Answer: D

Mathematics

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Simplify the expression and eliminate any negative exponent(s).

What will be an ideal response?

Mathematics

State the phrase as a mathematical expression. Use x to represent the variable.Four times a number, added to 47

A. 4(x + 47) B. 4 ? 47 + x C. 4x D. 4x + 47

Mathematics

Clear fractions and solve. +  - = 0

A. 34 B. 1 C. 2 D. 0

Mathematics

A turkey is removed from the oven when its temperature reaches 175°F and is placed on a table in a room where the temperature is 70°F. After 10 minutes the temperature of the turkey is 161°F and after 20 minutes it is 149°F. Use a linear approximation to predict the temperature of the turkey after 30 minutes.

What will be an ideal response?

Mathematics