Which value is the solution to the equation 20=y+12 ? ( use substitution to find solutions to equations.)

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

What is the length of the unknown leg in the right triangle ?