WILL GIVE BRAINLIEST Complete the following tasks for this equation: b/7.8 = -2.15.

Give an estimate for the solution. Be sure to explain how you arrived at the estimate, either by showing an equation or in words.
Solve the equation. Show or explain your work.
Compared to your estimate, is your answer reasonable? Explain your answer in complete sentences.

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.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.