If all three sides of a triangle have length x, what is the perimeter of the triangle? A. x/3
B. x + x + x + x
C. 3x
D. 3 + x

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1