What is the value of the variable (letter) to make the equation true?
51 – k = 16 × 3
k =
What is the value of the variable (letter) to make the equation true?
10 f = (16 ÷ 2) × 5
f =
Find the value of the variable.
f = 61 – [(2 × 7) + (2 × 4)]
Select all the composite numbers.