The first one is supposed to be 1 over 2
1/2(4a+10=2a+

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.