Answer each part for the following context-free grammar g. r → xrx | s s → atb | bta t → xtx | x | ε x → a | b a. what are the variables of g? b. what are the terminals of g? c. which is the start variable of g? d. give three strings in l(g). e. give three strings not in l(g). f. true or false: t ⇒ aba. g. true or false: t ∗ ⇒ aba. h. true or false: t ⇒ t.

Which graph of a hyperbola represents the equation 16x^2-y^2=16

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?

Judy garland electronics operate on a net-profile rate of 20% on its printer cables. if the markup is $8.95 and the overhead is $4.31,find the net profit and the selling price? use the net-profit rate formula to solve this problem.