Which models best illustrates the inequality and its graph? t is at most 55

t is 55 or more

t is at least 55

t is less than 55

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

If a is a nonzero real number then the reciprocal of a is

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.