Please Help
1) 24 + r ; r = 9

2) 2a + 3 ; a = 10

3) Bc + 12.3 ; b = 9, c = 4

4) p ÷ q ; p = 24, q = 8

5) 4c - 7.8 ; c = 4

6) c - a ; a = 3, c = 17

7) a ÷ 2c ; a = 20, c = 2

8) 3x - 14 ; x = 5

9) 1.5 + y² ; y = 6

10) t/5 + 6 ; t = 45