On a number line what is the distance between -61.5 and -23.4?

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1

step-by-step explanation:

mean or average is 40.6

my answer got deleted but it's a

step-by-step explanation:

but which class are u may know that first