PLEASE HELPP ITS TIMEDD just write down your answer its not multiple choice

In an isosceles triangle, the vertex angle is 112 degrees. what is the measure of each base. a.34 b.24 c.44 d.54

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.