Substitution method 2x+8y=20 y=2

The city is planning to built a new park by enlarging the current park by a scale factor of 4. The current park has an area of 37,625 yd². What is the area of the new park? Enter your answer in the box.

3x-y=7 9x-3y=21 how do I do it by the substitution method i think so.?

Which of the following statements is true? 1.75 = 1 4/3 3 9/20 = 3.45 7/8 = 0.78 700 = 7/100

4 divided by the sum of a number and 12

A popular band on tour played a series of concerts in large venues. They always draw a large crowd, averaging 21,359 fans.

There are 227 performers in the Children's Parade. The performers are arranged in rows with 8 performers in each row. How many rows are needed for all the performers? Explain your answer

The ratio of boys to girls in mr. chen's class is 4 to5. which of the following cannot be the total number of students in mr. chen's class

4 1/5 times blank equals 14

Tasha spend 25 minutes reading on Wednesday night. She spend 17 more minutes reading on Thursday than she did on Wednesday. Write and solve and equation to find how many minutes Tasha spent reading on Wednesday and Thursday night

Passes through (4, 7), slope=2