X + 2y = 10
-6x + 5y = -9
- what is the solution using substitution

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the