The price of a pair of shoes is $45.90. the sales-tax rate is 5 percent. how much sales tax do you need to pay?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Evaluate the expression. (9 + 5)(3 + 2)0

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?