= Estimating a tip without a calculator
Estimate a 5% tip on a bill of $51.37 by first rounding the bill amount to the nearest ten dollars.

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x