Are the lines y = - x - 4 and 5x + 5y = 20 perpendicular? Explain.

A local market sells 4 tomatoes for 3.20 how much would it be for 1 tomatoe

Does x=3/y show direct variation

Rewrite 3/4 and 8/11 so that they have a common denominator.

Find and sketch the domain of the function. f (x, y, z) = 4 - x2 - y2 - z2

A baker is attempting to construct the world's largest cake. The cake is 12 meters square and 4 meters tall. How much surface area will the cake need to be iced (including the bottom) ?

Driver D had a speed between driver A 145.155 and Driver C 144.809. Write a possible speed for Driver D

How can you draw a net of a rectangular prism that has a height of 2 units and has bases that are 4 units long and 2 units wide? A rectangular prism

6y+2+9x how many terms are there in the algebraic expression

How do you do proofs, how to understand it better

What is biggee 4 m or 400 dm