How do you tell if an equation is linear or not?

A park ranger calculated that 60% of the deer they tagged were male. Of the male deer that were tagged, 20% of them were older than 4 years. They tagged 18 male deer that were older than 4 years. How many deer did they tag? A 45

What is the answer to the equation x+y=36 and 6.99x+10.99=331.64

Each side of a cube is 3.1 cm long. Find the volume of the cube. a. 9.61 cm^3 b. 9.3 cm^3 c. 6.2 cm^3 d. 29.791cm^3

The area of a square boxing ring is 484 (feet squared). What is the perimeter of the boxing ring?

Carl takes a random sample of 100 students in his school and finds that 72% of the sample prefers pizza over burgers. there are 1,500 students in the school.

What is the product of (6x3+3x) (x2+4)

What are the roots of the polynomial equation x⁴+x³=4x²+4x? use the graphing calculator and a system of equations. -2,-1,0,2 -2,0,1,2 -1,0 0,1

John bought 4 lb of hot dogs for his Pantry how many ounces of hot dogs did John buy

How am I supposed to do this Polynomial Question?! (7a^5-3a^3+5) - (-2a^5-4a^3+13) I have tried it multiple getting the same wrong answer.

Which equation represents the number of inches (i) a snail crawls if it crawls 7.6 inches per hour (h) ? How far will the snail crawl in 8 hours?