Expressions and equations the quantity 7+x, squared plz plz plz i just found out i have summer hw and i only have two days to do it plz !

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?