How to solve 4x-y=3

3x+y=4

using subsitution

An experiment is set up to study the weights of 35 mice after they are injected with a drug. The population mean is 23.50 grams with a standard deviation of 3.40 grams. The standard error of the sample mean is __.

Which statement describes the graph and system of equation? 5y-2x=5 2y+x=-4 a. consistent and independent b. inconsistent c. coincident d. not enough information

What can be said about the cardinalities of the sample spaces of the events below? Event A: Drawing a card from a standard deck of playing cards Event B: Rolling a standard number cube A.

The music for Nadia's dance routine lasts for exactly 4 minutes. When Nadia dances her routine, she starts with her music and finishes 12 seconds before the music ends. What percent of the time the music is playing is Nadia dancing? and ...

3897 rounded to nearest ten

What is in the least common denominator of (y+4) (y-5) (y-5)

Name 23 Written Practice Math Course 1, Lesson 23 1. How many millimeters long is a ruler that is 30 cm long? * 2. Model Dan has finished of the 30 problems on an assignment during class.

How do i solve 2.06 + [ (3/5 - 1/2) * 2.5] : 5

3) show work, Use a form of d=rt to solve. Steven's kite rose into the air at the rate of 5 fee per second. How many feet did it rise in 2/3 minute?

A number is shown in word form. ''Thirty-nine thousand, three hundred fifty three" What is the number is standard form?