Someone explain how linear equation work how to solve and how do it

Fill in the blank. 100-10-30-10-_-30=20

How many campers would be in each cabin if the ratio of cabins to campers was 15 to 225? Explain

The fastest race horse ran 1/4 mile in 1/3 of a minute. What was the horse's running speed?

The number of students at Nicks school has 98% of last years number. Currently, there are 1,170 students. How many students were there last year? Round to nearest while number.

Convert y=x^2-3x-28 in standard form.

What is the best approximation for the area of this circle? Use 3.14 to approximate pi. 25.1 in² 50.2 in² 201.0 in² 803.8 in² Circle with radius labeled 8 in.

How to subtract integers

A package of crackers weighing 8.2 Oz cost $2.87 what is the cost per ounce of the crackers

F (x) = 3/x+2+3 domain and range

Michaels has one liter of fruit punch. He gives 200 ml to leila, 200 ml to daniel, and 300 ml to alexa. how much does Michael have left? write an equation that explains.