use the formula a equals BH to find the area of the rectangle below substitute the Auburn it numbers for each variable to solve to find a way for the area

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Is the square root of 4 plus the square root of 16 rational?

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?