PLEASE HELP, A COUPLE PEOPLE NEED THIS SOLVED PLEASE.
Using the diagram at the right, Find the measures of the following angles:
(FC is tangent to the circle)
m∠AEC=34
mDE=85

1. m∠ABC=

2. m∠DBC=

3. m∠ACE=

4. m∠DAE=

5. m∠ADE=

6. m∠FCB=

7. m∠CED=

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?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

2x minus y equals 6, x plus y equals negative 3