(score for question 1: of 4 points)
1. refer to expression 1 and expression 2.
expression 1
6-7-32.9+43
expression 2
5+ 4.2 + 6-2.2-1
(a) what is the value of expression 1?
(b) insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a
value of 19.

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?