Jennifer had a 7/8-foot board. she cut off a 1/4-foot piece that was for a project. in feet ,howmuch of the board was left?

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3

Tan198=asin164=? how to solve this? ?

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13