exam
Maths Puzzle
Numerical Ability
11: Find the measure of the supplement of the angle with measure 85 degrees.
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exam Other Question
Solve system by the substitution method and indicate wheter each system is independent, inconsistent or dependent
x=1/8y-1
y=1/4x+39
Can someone please help me out with this equation please?
A dr office mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters of each were used to make 20L of a 40% disinfectant solution. Thanks