Answer:
-6+x≤15
negative six: -6
plus: +
a number: variable (I chose x)
Less than or equal to: ≤ (an inequality)
fifteen: 15
12 times the quantity 15 minus a number (d)....
12(15 - d) <== ur expression
By the empirical rule, 84% of the distribution is below one standard deviation above the mean.
16% of Ed's monthly phone bills are more than $76.
None because the triangles have different lines
