Keri bought a pair of shoes for $16.50 and some socks for $6.35. How much change did she get from $30.

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.