The cost of mailing a first-class letter is $0.46 for the first ounce and $0.20 for each additional ounce or
portion of an ounce. The letter y represents the total cost for mailing a letter that weighs xounces.
Which type of function model would be appropriate for this situation?
absolute value function
step function
square root function
linear function

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?