Find the value of each variable. a 2b 5 -7 1. -2 d+3] [10 10] 2 -13 [2x + 1 -4x 3. + -10 1. 5z 2.5z-xj Use the information in the table. 4. Put the data in two matrices: one for males and one for females. 5. Use matrix subtraction to find the difference between the number of males and the number of females in each club each year. 2. 50 z 0 3a b 3 3c 7 4] 3 72 0-9 36 Club Membership at TC High School 1961-1962 2001-2002 Males Females Males Females Beta 37 23 56 58 Spanish 0 93 76 82 Chess 87 0 102 34 Library 6 18 27 29