Three sides of a triangle have lengths of 4x-3, 2x+1 and x+5. write an expression representing the perimeter in terms of x. p=?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?