Weldon bought a pair of hiking boots that cost $85.70 before tax. If an 8.5% tax is added to Weldon's total, how much did he spend in total on the hiking boots? Round to the nearest cent, if necessary.

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

Quadrilateral ghij has coordinates g(5, 1), h(4, -3), i(6, -1), and j(2, 1). if the quadrilateral is reflected over the line y = x, what are the coordinates of h'?

How many significant figures are there in the number 10.76?