The operation \Delta is defined so that a\Delta b=a\times b+a+b. For example, 2\Delta5=2\times5+2+5=17. If p\Delta3=39, the value of p is
Answer Choices
A. 13
B. 12
C. 9
D. 10.5
E. 18
The operation \Delta is defined so that a\Delta b=a\times b+a+b. For example, 2\Delta5=2\times5+2+5=17. If p\Delta3=39, the value of p is
Answer Choices
A. 13
B. 12
C. 9
D. 10.5
E. 18