Determine whether a scalar or a vector is described in part (a) and part (b). (a) A truck travels at 55 mi/h due southeast.
(b) A truck travels at 55 mi/h.
(a) Does the quantity describe a scalar or a vector?
O vector
O scalar
(b) Does the quantity describe a scalar or a vector?
vector
scalar

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?