Answer:
no solutions
Step-by-step explanation:
-5 (2+1) = -22 +10
-15 = -12
Fraction: 23/100
Decimal: .23
Percent: 23%
C
substitute a = - 1 into the expression
- (- 1) - 12(- 1)² = 1 - (12 × 1 ) = 1 - 12 = - 11 → C