I need help
McKenna was asked to write the following expression in standard form.

3−5(3a+6)
When writing the expression in standard form, McKenna made a mistake.
3−5(3a+6)3+(−5)(3a+6)−2(3a+6)−6a+(− 12)−6a−12 Step 1 Step 2 Step 3 Step 4
a. McKenna made her first mistake in
.
b. The correct expression in standard form is
.

The two box p digram the two box plots show the data of the pitches thrown by two pitchers throughout the season. which statement is correct? check all that apply. pitcher 1 has a symmetric data set. pitcher 1 does not have a symmetric data set. pitcher 2 has a symmetric data set. pitcher 2 does not have a symmetric data set. pitcher 2 has the greater variation. ots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play