Identify the values of a, b, and c that would be used in the quadratic formula to solve the equation −9x = 13 − 5x2. a. a = −9, b = 13, c = −5 b. a = −5, b = 9, c = 13 c. a = 13, b = 9, c = 5 d. a = 9, b = 5, c = 13

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?