8 + 3 × (4 ÷ 2) − 7 Step 1: 8 + 3 × 2 − 7

Step 2: 11 × 2 − 7

Step 3: 22 − 7

Step 4: 15

In which step does a mistake first appear?

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

Which of the following contains a variable?

Plot the intercepts to graph the equation