Evaluate $\frac 23+\frac 34+\frac 42$. if a fraction appears in your answer, it should be in simplified form.

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?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°