Answer: 64 years old
Step-by-step explanation:You subtract 2082 by 2018 to get the sum of 64
Since the argument of the sine function is x without any scaling factor, the period is 2π, the 1st selection.
Answer:
trapezium................
Answer:
x = 20
Step-by-step explanation:
→ Remember how many degrees are on a straight line
180°
→ Set up an equation
2x + 70 + 3x + 10 = 180
→ Simplify
5x + 80 = 180
→ Minus 80 from both sides
5x = 100
→ Divide both sides by 5
x = 20