Solve each system of equations using substitution

Y=X

X-4Y=0

Marnie buys a piece of fabric 24 inches long. there is some damage to the material, so she has to cut off 2.25 inches. marnie has some lace border that she can sew onto the bottom of the material that would add 0.

Raj's hourly wage is 5.50. He already saved 68 dollars for a $200 video game system. How many hours does Raj need to work to earn the remainder of the money he needs to buy the video game system?

Justin collected data from his classmates on the type of condiment they prefer on their sandwich. Based on the data collected, if one hundred boys and one hundred girls are given a sandwich of their choice which statement is true?

How do I solve this problem? 0.3v = 1.35

Which statement about the product is true? 7.56 x 6.777777 ... A:The product is irrational. B:The product is rational. C:The product is neither rational nor irrational. D:The nature of the product cannont be determined.

What two fractions have a common denominator of 6

What is the factor form of x^3-1

The sum of a number t and 31

A worker's pay for one week was $312. She worked 39 hours. How much was she paid per hour

If a normal distribution has a mean of 44 and a standard deviation of 8, what is the z-score for a value of 46? O A. 1.25 O B. 1.75 O c. 0.75 O D. 0.25