Add and, if possible, simplify.- +

Solve the problem.A picture costs $320. The sales tax is $27.20. What is the sales tax rate?

Solve.7x – (3x – 1) = 2

Find fractional notation for the ratio. You need not simplify.Of a family’s $990 weekly income, $99 usually goes toward groceries. What is the ratio of the amount spent on groceries to weekly income?

Graph the inequality.x < 0

Translate to an equation and solve. When necessary, round to the nearest hundredth.What is 2% of $257?

Find decimal notation.86%

Solve.Lorrie bought lb of basil and lb of oregano. How many pounds of herbs did she buy in total?

Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.675 m, 45 sec

Determine whether the given number is a solution of the inequality.x ≥ -4, 5.3