29. In the aigebrait equation 9n -5-85. n is the variable while 5 and 85 are constants. What is a variable? A A variable has a fixed value that does not change. B. Avariable is an expression that combines numbers C. A vanable is any letter or symbol that represents a number. D. Avariable is a mathematical phrase 30. A car truvels at a speed of 75 kilometers per hour. Express its speed in algebraic equation ifit slews down by 20 kilometers per hour. A 75x 20 N 8 75 20 N C 75+ 20 N D. 75-20-N

31. Which of the following show expression and equation? A4 (2+ 2) 43 84 (5-2) -2+ (5x2) CB-2+ (4+ 2) D. 4+ (2x5 32. Represent the given quantities in the given situation. Chose the letter of the correct answer. "Tedro is the younger sibling of Jose. One of them is 5 years older than the other. Analyze then represent the given values. A Pedrox+5 Jase x B. Pedrox Josex+5 C Pedro 5x Joses D. Pedro x Jose 5-x

33 Instruction: Find a solution for the following problem. During a scouting game, the scoutmaster asked the Eagle patrol to write four 9's tn get 100 Clue: UUse the basic Mathematical operations. They need to do and solve this to pass to the next level. Help the Eagle patrol pass to the next level. A. 99 9-9 B. 9+9+9-9 C. 9x9+9+9 D. (9+9)+99