evaluate the following expression when a=5 and b=1. then, plot the resulting value on the provided number line 12+[2-(4•5²)]÷7+1

Precalculus question, image attached.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.