Is y = x^2-4 a function?

Complete the equation of the line through (2, - 2) and (4, 1)

100% pure gold is 24 karat gold, which is too soft to be made into jewelry most call Jory is 14 karat gold proximally 58% gold 18 karat gold is 75% gold and 12 karat gold is 50% gold how much should be used to make a 14 karat gold bracelet weighing

A 3ft vertical post casts a 24in shadow at the same time a pine tree casts a 30ft shadow. How tall is the pine tree?

Mrs. Smythe needs 54 buttons to make costumes for the school play. Buttons come on cards of 9 buttons each. How many cards of buttons should Mrs. Smythe buy? 9 45 7 6

Fibonacci numbers can be found in many places in nature, for example, the number of petals in a daisy, the number of spirals in a pine cone or a pineapple, and even the way branches grow on a tree.

Avery had 82 Girl Scout cookies. 10 cookies fit onto a plate. How many full plate of cookies will avery have?

How many real number solutions does the equation have? 0=-4x^2+7x+8 No Solutions One Solution Two Solutions Infinitely Many Solutions How many real number solutions does the equation have?

Sara can type 90 words in 4 minutes how about how many words would you expect her to type in 10 minutes at this rate?

The area of a circle (A) is given by the formula A=pi*r2 where r is the circle's radius. The formula to find r is. If and, r is centimeters.

Elizabeth has a piece of ribbon that is 4.5 m long she wants to cut into pieces that are 0.25 m long how many pieces of ribbon