Solve using substitution y=x+6 and y=-2x-3

In how many ways we cant test wether the ratios are from a proportion?

5 squirrels were found to have an average weight of 8.9 ounces with a sample standard deviation is 0.9. Find the 95% confidence interval of the true mean weight.

Between which two numbers will you find |-3.25|

Jonah types 120 words per minute if her rate is constant how long will it take her To type a 600 word essay

Delia has 493 stamps in her stamp collection she can put $0.16 on each page of an album how many pages can she fill completely

Mindy's dog, Rex, weighed 80 pounds a year ago. Now he weighs 92 pounds. What is the percent increase in his weight?

The temperature is at most - 12 degree celsius

A swimming pools large drain will empty a pool in 3 hours while its smaller drain takes 6 hours. If both drains are open how long will it take to empty the pool? A: 4 1/2 hours B: 2 hours C: 9 hours D: 4 hours

A pair of jeans cost x dollars and is subject to a 7% sales tax. Using only one step which of the following expressions could be used to font the cost of the pair of jeans in dollars?

Explain in your own words why (x+y) 2=x2+y2. provide a numerical example to illustrate