Hurry only got 5 min
will give brainliest and 15 points
which could be used to evaluate the expression -6[4 2/3]?
a. (-6)(4) + (-6) [2/3]
b. (-6)(4) x (-6) [2/3]
c. (-6+4) + [-6 + 2/3]
d. (-6+4) x [-6 + 2/3]

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?