Use substitution to solve each system of equations

y=3x-7

3x-y=7

1/5 has been mowed wich is a better estimate for how much lawn he has left now almost all the lawn? Or about half of the lawn

In a survey, the planning value for the population proportion is p * = 0.26. How large a sample should be taken to provide a 95% confidence interval with a margin of error of 0.05? (Round your answer up to nearest whole number.)

There are 4 muffins on each plate. there are 0 plates of lemons muffins. how many lemon muffins are there?

What number can 12 and 63 be divided by

What value of x makes the statement (1/3) = (5/x) true?

What is 18 kg. x 153.56 kg.

What is the "simple interest" earned if you invest $545 in a savings account that earns 3.25% for two years? A) $34.97 B) $35.43 C) $354.35 D) $36.00

What is the word and expanded form of 3,210.445

How do you write 6,007,200 in word form

Combine like terms to create an equivalent expression: - 2/3p + 1/5 - 1 + 5/6p