Answer:
30 and 18
Step-by-step explanation:
john caught 18
Peter got 30
I think
Answer:
z=12
Step-by-step explanation:
Answer:
option C is correct
Step-by-step explanation:
We need to find the determinant.
= -1(7*9 - 3*9)-( -3)(4*9 - 3*3) -2(4*9 -7*3)
= -1(63-27) +3 (36 - 9) -2( 36- 21)
= -1(36)+3(27)-2(15)
= -36+81-30
= 15
Option C is correct
Answer:
28
Step-by-step explanation:
substitute the value of the variable into the expression and simplify