The system ⎧⎩⎨a2+b2−c2=05a−b=ca+b+c=30 has exactly one solution. find the solution by using substitution. enter your answer as an ordered triple in the format (a, b, c), like this: (42, 53, 64)

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

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)?