In circle f, arc ad = 60 and arc bc = 100. find the measure of angle aed. a. 80 b. 50 c. 30 d. 20

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

I'll give brainliest if you answer right : )

What is the standard form of -5x^2+2x^4-11+x^3+3x