How would I solve the equations: y = x-4 and y=x^2-4x using substitution

Solve each system by substitution method x+y=4 y=3x

Perform the operation shown below and then choose the correct numerator. 3/ab^2+2/a^2b a. 5ab b. 2a+3b c. 3a+2b

Gavin's gross pay is $3851. His deductions total $756.72. What percent of his gross pay is take-home pay? 20% 24% 80% 82%

the sum of three consecutive even i tergers is 72 let x represent the first internet x+2 represent the second integer and x+4 represent the third integer

A teacher already had a certain Number of canned goods for the food drive each day of the food drive the class plans to ring in 10 cans the total number of canned goods for day 10 is 205 assume the relationship is linear find and interpret the rate

Noah brought 1 fishing pole, 2 corks, and 1 can of worms. What was the total cost? Each fish $2 corks is 2 fish, poles is 5 fish and worms is 3 and a half fish.

Reagan is using geometry software to construct a regular pentagon by using rotations. What is Reagan using for the angle of rotation?

The area of a square is 225 in^2. Write a quadratic equation that can be used to find the dimensions of the square. Solve the equation. What are the dimensions?

A population of 1,000 cheetahs decreases by 13% per year. How many cheetahs will there be in the population after 4 years? Round your answer to the nearest whole number.

One example of ratios