The DANGEROUS of SIGNS !!

 $9+\left(-15\right)$ 

(a)  

Solve $7y\ =\ -21$ 

(a)  

 $-2+25$  

(a)  

Evaluate $\frac{-1-6}{6+1}$  

(a)  

 $-2-\left(-7\right)$  

(a)  

Solve $x-6=-1$  

(a)  

Solve $\sqrt{\left(7-\left(-1\right)\right)^2+\left(7-1\right)^2}$  

(a)  

 $-7+4$  

(a)  

Solve $p\ -\ 2\ =\ 4$  

(a)  

Solve $75\times-2$  

(a)