How can you tell if a relation is a function

A carpenter is making a brace for a chair. To do so she intersect two pieces of wood to make two sets of vertical angles. The obtuse angles formed are 145°. what is the measurement for each acute angle formed

Twelve million seven hundred three write in standard form

Rob spent $32 at an amusement park for admission and rides. If he paid $5 for admission and $3 for each ride, which equation can be used to find the number of rides, x, Rob rode?

Solve the system using substitution. 5x-y=75 3y=x

The poduct of 10 and a number is 3 less than the number