exam
Maths Puzzle
Numerical Ability
A sales price for a car is $12,590 which is 20% off the original price, what is the original price?
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exam Other Question
Please solve the system of linear equations and check any solution algebraically.
2x+4y-z=7
2x-4y+2z=-6
x+4y+z=0
*this is what i have so far:
2x+4y-z=7
-E1+E2
The polynomial f(x)divided x-3 results in a quotient of x^2+3x-5 with a remainder of 2. Find f(3). my answer is -2, could that be right. thanks again.