1. Write in expanded form. O 53 2. Write in expanded form. O 83 Evaluate Algebraic Expressions For the following two questions, evaluate the expression for the given value of the variable. 3. 4% when x = 2 4. x' + 3x - 7 when x = 4 5. Adele bought a skirt and a blouse. The skirt cost $15 more than the blouse. Let b represent the cost of the blouse. Write an algebraic expression for the cost of the skirt. 6. Justin's car insurance has a $750 deductible per incident. This means that he pays $750 and his insurance company will pay all costs beyond $750. If Justin files a claim for $2100, how much will he pay, and how much will his insurance company pay? Use algebraic expression. 7. Arthur bought a suit that was on sale for $120 off. He paid $340 for the suit. Find the original price, p, of the suit by solving the equation p - 120 = 340. E. Find all the factors of 48 9. Determine if 119 is prime or composite. 10. Find the least common multiple (LCM) using any method. 9. 1511. Find the least common multiple (LCM) using any method. 24, 30 12. Hot dogs are sold in packages of ten, but hot dog buns come in packs of eight. What is the smallest number of hot dogs and buns that can be purchased if you want to have the same number of hot dogs and buns? (Hint: it is the LCM!) 13. Paper plates are sold in packages of 12 and party cups come in packs of S. What is the smallest number of plates and cups you can purchase if you want to have the same number of each? (Hint: it is the LCM!) 14. List all the multiples of 4 that are less than 50. 15. Find all the factors of 90. 16. Find the prime factorization of 1080. 17. Find the LCM (Least Common Multiple) of 24 and 40 18. 15 less than y is 32. Find y. 19. Twice the difference of n and 3 gives 76. Find n. 20. Simplify by combining like terms. (2) 6x + 8x 1 mark (b) 9m + 10 + m + 3 1.5 mark