Jand m are base angles of isosceles trapezoid jklm. if mj = 20x + 9, and mm = 14x + 15, find mk.
a. 151o
b. 1o
c. 29o
d. 75.5o

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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