Answer:
1.mountains plains rivers
2. A
3.C
4.B
Step-by-step explanation:
yes
Answer:
it's the last one
Step-by-step explanation:
to find the perimeter, you must add all the sides.
25 plus 25 is 50
multiple x by two for both sides and that will give you the perimeter of 70
Answer:
4th is correct answer. 1, 2, 3 not correct you can check the exponents properties
Answer: C
Step-by-step explanation: your fast answer is C.
107.75mThis is a trigonometric ratio problem. the angle of depression (10) is opposite the height (19m) and the distance is adjacent to the distance (x). opposite ad adjacent sides to the angle is a tangent problem.

plus in values, we know.

switch tan(10) and x using the products property.

plug in to calulator to get answer
x=107.75