Pls help! if x is positive and x^2 + x=50, then x is a number between E. 6 and 7
F. 7 and 8
G.8 and 9
H.9 and 10

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

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.