WILL GIVE BRAINEST TO CORRECT ANSWER (50 points) Solve the system of equations.

X + 4y = 0
20y = - 5x

Solve the first equation for x.

X+4y= 0
X=___y

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49