Ten times the square of a non zero number is equal to forty times the number, what is the number?

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

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa