To simplify 2x+3-x+5, we can first group x together,then calculate:

Therefore the answer is x-2.
Hope it helps!
Since (√36)² = (√18)²+(√18)², hence the triangle WXY is a right angle
<h3>What is Pythagoras theorem</h3>
The theorem states that the square of the hypotenuse is equal to the sum of the square of other two sides
For a triangle to be right angled, it must obey the law.
Given
Hypotenuse =√36
Other sides = √18 and √18
(√36)² = 36
(√18)²+(√18)²= 18 + 18
(√18)²+(√18)² = 36
Since (√36)² = (√18)²+(√18)², hence the triangle WXY is a right angle
Learn more on Pythagoras theorem here: brainly.com/question/343682
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formula for slope is given by

we are given two points (3,4) and (-4,-5)
plugging in the formula we get,

slope = 9/7
Answer:
the first and second car seats are appropriate for a 33 lb. child. The first seat suits children up to 34 lb. The second seat suits children that weight between 16 to 40 lb.
The only seat that is not appropriate would be the third one that is too large, since children between 34 to 90 lb. should use it.
seat 1 ≤ 34 lb ⇒ simple inequality
16 lb < seat 2 and seat 2 < 40 lb ⇒ compound inequality
34 lb < seat 3 and seat 3 ≤ 90 lb ⇒ compound inequality
Answer:
The controllable canonical form of the system =
Y = (5 0 0 0) (x1)
(x2)
(x3)
(x4)
Step-by-step explanation:
The detailed explanation is as shown in the attached file.