Write the equation of the line that goes through (2.5, 6.8) and is PERPENDICULAR to x - y = 4

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Which is the length of the hypotenuse of the triangle a. 94ft b. 214 ft c. 33ft d. 37 ft

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.