(-1,-8) what is the equivalent number

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.