Answer:
3
Step-by-step explanation:
(32-20)÷4
solve perentisis first
(12)÷4
now divide
=3
Answer: B
Step-by-step explanation:
Answer:
50%
Step-by-step explanation:
cause 50% is 1/2 and 1/2 of 20 is 10
Answer:

Step-by-step explanation:
Given
Square

Triangle


Required
Find h, if both shapes have the same area
The area of the square is:


The area of the triangle is:


Equate both areas

Divide both sides by x

Multiply both sides by 2



Answer: x < 3 or x ≥ 11
(-∞, 3) or [11, ∞)
Step-by-step explanation:
subtract 4 from each side
2x < 6 . or . 3x ≥ 33
x < 3 or x ≥ 11
make sure you have an OPEN DOT at 3 pointing to negative infinity and a CLOSED DOT at 11 pointing to positive infinity.