Select the values of r, below, that represent a low or no correlation 0.8 0.3 0.1 -0.2 -0.5 1 -0.001

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?