Solve the system of equations.
3x + 2y + 4z = 7
4x + 3y + 5z = 9
7x + 4y + 72 = 5
a. (x=-5, y = 3,2 = 4)
b. (x = -6, y = 4,2 = 5)
c. (x = -3, y = 1, 2 = 6)
d. (x=-4, y = 2, 2 = 3)

What are the values of each variable in the diagram below?

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

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.