If a + b = -1a+b=−1a, plus, b, equals, minus, 1 and x + y + z = 2x+y+z=2x, plus, y, plus, z, equals, 2, what is 7a + 7b + 6z + 6x + 6y7a+7b+6z+6x+6y7, a, plus, 7, b, plus, 6, z, plus, 6, x, plus, 6, y?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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