Anthony rizzo attended art class every 3 weeks, chess club every 4 weeks, and fencing every 9 weeks. when will he attend all three again

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)